Home / 4,138,275.20-6,207,412.80-1,146,459.20

Finding the Fourth Proportional to 4,138,275.20, 6,207,412.80 and 1,146,459.20

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Solution

The fourth proportional to 4,138,275.20, 6,207,412.80 and 1,146,459.20 is: 1,719,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138,275.20 : 6,207,412.80 = 1,146,459.20 : x
  2. Step 2: Convert to fraction form
    4,138,275.20/6,207,412.80 = 1,146,459.20/x
  3. Step 3: Cross multiply
    4,138,275.20x = 6,207,412.80 × 1,146,459.20
  4. Step 4: Simplify right side
    4,138,275.20x = 7,116,545,512,757.76
  5. Step 5: Solve for x
    x = 7,116,545,512,757.76/4,138,275.20
  6. Step 6: Final answer
    x = 1,719,688.80

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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.