Home / 6,240,419.20-9,341,966.40-5,871,318.40

Finding the Fourth Proportional to 6,240,419.20, 9,341,966.40 and 5,871,318.40

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Solution

The fourth proportional to 6,240,419.20, 9,341,966.40 and 5,871,318.40 is: 8,789,419.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240,419.20 : 9,341,966.40 = 5,871,318.40 : x
  2. Step 2: Convert to fraction form
    6,240,419.20/9,341,966.40 = 5,871,318.40/x
  3. Step 3: Cross multiply
    6,240,419.20x = 9,341,966.40 × 5,871,318.40
  4. Step 4: Simplify right side
    6,240,419.20x = 54,849,659,216,501.77
  5. Step 5: Solve for x
    x = 54,849,659,216,501.77/6,240,419.20
  6. Step 6: Final answer
    x = 8,789,419.02

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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.