Home / 2,656,871.70-3,985,307.55-2,509,905.30

Finding the Fourth Proportional to 2,656,871.70, 3,985,307.55 and 2,509,905.30

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Solution

The fourth proportional to 2,656,871.70, 3,985,307.55 and 2,509,905.30 is: 3,764,857.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656,871.70 : 3,985,307.55 = 2,509,905.30 : x
  2. Step 2: Convert to fraction form
    2,656,871.70/3,985,307.55 = 2,509,905.30/x
  3. Step 3: Cross multiply
    2,656,871.70x = 3,985,307.55 × 2,509,905.30
  4. Step 4: Simplify right side
    2,656,871.70x = 10,002,744,541,875.01
  5. Step 5: Solve for x
    x = 10,002,744,541,875.01/2,656,871.70
  6. Step 6: Final answer
    x = 3,764,857.95

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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.