Home / 5,346,412.80-8,019,619.20-1,560,278.40

Finding the Fourth Proportional to 5,346,412.80, 8,019,619.20 and 1,560,278.40

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Solution

The fourth proportional to 5,346,412.80, 8,019,619.20 and 1,560,278.40 is: 2,340,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346,412.80 : 8,019,619.20 = 1,560,278.40 : x
  2. Step 2: Convert to fraction form
    5,346,412.80/8,019,619.20 = 1,560,278.40/x
  3. Step 3: Cross multiply
    5,346,412.80x = 8,019,619.20 × 1,560,278.40
  4. Step 4: Simplify right side
    5,346,412.80x = 12,512,838,613,985.28
  5. Step 5: Solve for x
    x = 12,512,838,613,985.28/5,346,412.80
  6. Step 6: Final answer
    x = 2,340,417.60

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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.