Home / 6,520,133.80-9,781,512.90-2,259,420.40

Finding the Fourth Proportional to 6,520,133.80, 9,781,512.90 and 2,259,420.40

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Solution

The fourth proportional to 6,520,133.80, 9,781,512.90 and 2,259,420.40 is: 3,389,585.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520,133.80 : 9,781,512.90 = 2,259,420.40 : x
  2. Step 2: Convert to fraction form
    6,520,133.80/9,781,512.90 = 2,259,420.40/x
  3. Step 3: Cross multiply
    6,520,133.80x = 9,781,512.90 × 2,259,420.40
  4. Step 4: Simplify right side
    6,520,133.80x = 22,100,549,789,123.16
  5. Step 5: Solve for x
    x = 22,100,549,789,123.16/6,520,133.80
  6. Step 6: Final answer
    x = 3,389,585.32

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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.