Home / 7,240,720.60-10,862,538.90-2,123,140.60

Finding the Fourth Proportional to 7,240,720.60, 10,862,538.90 and 2,123,140.60

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Solution

The fourth proportional to 7,240,720.60, 10,862,538.90 and 2,123,140.60 is: 3,185,138.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240,720.60 : 10,862,538.90 = 2,123,140.60 : x
  2. Step 2: Convert to fraction form
    7,240,720.60/10,862,538.90 = 2,123,140.60/x
  3. Step 3: Cross multiply
    7,240,720.60x = 10,862,538.90 × 2,123,140.60
  4. Step 4: Simplify right side
    7,240,720.60x = 23,062,697,357,669.34
  5. Step 5: Solve for x
    x = 23,062,697,357,669.34/7,240,720.60
  6. Step 6: Final answer
    x = 3,185,138.42

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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.