Home / 3,159,031.47-4,359,088.78-1,782,294.92

Finding the Fourth Proportional to 3,159,031.47, 4,359,088.78 and 1,782,294.92

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Solution

The fourth proportional to 3,159,031.47, 4,359,088.78 and 1,782,294.92 is: 2,459,355.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159,031.47 : 4,359,088.78 = 1,782,294.92 : x
  2. Step 2: Convert to fraction form
    3,159,031.47/4,359,088.78 = 1,782,294.92/x
  3. Step 3: Cross multiply
    3,159,031.47x = 4,359,088.78 × 1,782,294.92
  4. Step 4: Simplify right side
    3,159,031.47x = 7,769,181,788,423.00
  5. Step 5: Solve for x
    x = 7,769,181,788,423.00/3,159,031.47
  6. Step 6: Final answer
    x = 2,459,355.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.