Home / 3,564,019.20-5,346,028.80-2,430,278.40

Finding the Fourth Proportional to 3,564,019.20, 5,346,028.80 and 2,430,278.40

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Solution

The fourth proportional to 3,564,019.20, 5,346,028.80 and 2,430,278.40 is: 3,645,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,564,019.20 : 5,346,028.80 = 2,430,278.40 : x
  2. Step 2: Convert to fraction form
    3,564,019.20/5,346,028.80 = 2,430,278.40/x
  3. Step 3: Cross multiply
    3,564,019.20x = 5,346,028.80 × 2,430,278.40
  4. Step 4: Simplify right side
    3,564,019.20x = 12,992,338,318,417.92
  5. Step 5: Solve for x
    x = 12,992,338,318,417.92/3,564,019.20
  6. Step 6: Final answer
    x = 3,645,417.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.