Home / 5,520,128.40-7,617,775.68-3,072,686.40

Finding the Fourth Proportional to 5,520,128.40, 7,617,775.68 and 3,072,686.40

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Solution

The fourth proportional to 5,520,128.40, 7,617,775.68 and 3,072,686.40 is: 4,240,306.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520,128.40 : 7,617,775.68 = 3,072,686.40 : x
  2. Step 2: Convert to fraction form
    5,520,128.40/7,617,775.68 = 3,072,686.40/x
  3. Step 3: Cross multiply
    5,520,128.40x = 7,617,775.68 × 3,072,686.40
  4. Step 4: Simplify right side
    5,520,128.40x = 23,407,035,730,186.75
  5. Step 5: Solve for x
    x = 23,407,035,730,186.75/5,520,128.40
  6. Step 6: Final answer
    x = 4,240,306.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.