Home / 6,240,520.20-9,342,117.90-5,871,419.40

Finding the Fourth Proportional to 6,240,520.20, 9,342,117.90 and 5,871,419.40

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Solution

The fourth proportional to 6,240,520.20, 9,342,117.90 and 5,871,419.40 is: 8,789,570.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240,520.20 : 9,342,117.90 = 5,871,419.40 : x
  2. Step 2: Convert to fraction form
    6,240,520.20/9,342,117.90 = 5,871,419.40/x
  3. Step 3: Cross multiply
    6,240,520.20x = 9,342,117.90 × 5,871,419.40
  4. Step 4: Simplify right side
    6,240,520.20x = 54,851,492,275,147.27
  5. Step 5: Solve for x
    x = 54,851,492,275,147.27/6,240,520.20
  6. Step 6: Final answer
    x = 8,789,570.50

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1.5x scale

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.