Home / 3,551,663.60-5,328,013.80-1,155,100.40

Finding the Fourth Proportional to 3,551,663.60, 5,328,013.80 and 1,155,100.40

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Solution

The fourth proportional to 3,551,663.60, 5,328,013.80 and 1,155,100.40 is: 1,732,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551,663.60 : 5,328,013.80 = 1,155,100.40 : x
  2. Step 2: Convert to fraction form
    3,551,663.60/5,328,013.80 = 1,155,100.40/x
  3. Step 3: Cross multiply
    3,551,663.60x = 5,328,013.80 × 1,155,100.40
  4. Step 4: Simplify right side
    3,551,663.60x = 6,154,390,871,585.52
  5. Step 5: Solve for x
    x = 6,154,390,871,585.52/3,551,663.60
  6. Step 6: Final answer
    x = 1,732,819.20

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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.