Home / 2,485,007.76-3,727,096.44-688,072.88

Finding the Fourth Proportional to 2,485,007.76, 3,727,096.44 and 688,072.88

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Solution

The fourth proportional to 2,485,007.76, 3,727,096.44 and 688,072.88 is: 1,031,994.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,007.76 : 3,727,096.44 = 688,072.88 : x
  2. Step 2: Convert to fraction form
    2,485,007.76/3,727,096.44 = 688,072.88/x
  3. Step 3: Cross multiply
    2,485,007.76x = 3,727,096.44 × 688,072.88
  4. Step 4: Simplify right side
    2,485,007.76x = 2,564,513,967,281.10
  5. Step 5: Solve for x
    x = 2,564,513,967,281.10/2,485,007.76
  6. Step 6: Final answer
    x = 1,031,994.35

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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.