Home / 2,713,686.40-4,070,529.60-820,230.40

Finding the Fourth Proportional to 2,713,686.40, 4,070,529.60 and 820,230.40

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Solution

The fourth proportional to 2,713,686.40, 4,070,529.60 and 820,230.40 is: 1,230,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713,686.40 : 4,070,529.60 = 820,230.40 : x
  2. Step 2: Convert to fraction form
    2,713,686.40/4,070,529.60 = 820,230.40/x
  3. Step 3: Cross multiply
    2,713,686.40x = 4,070,529.60 × 820,230.40
  4. Step 4: Simplify right side
    2,713,686.40x = 3,338,772,122,019.84
  5. Step 5: Solve for x
    x = 3,338,772,122,019.84/2,713,686.40
  6. Step 6: Final answer
    x = 1,230,345.60

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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.