Home / 3,532,290.40-5,299,225.50-1,288,428.40

Finding the Fourth Proportional to 3,532,290.40, 5,299,225.50 and 1,288,428.40

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Solution

The fourth proportional to 3,532,290.40, 5,299,225.50 and 1,288,428.40 is: 1,932,930.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,532,290.40 : 5,299,225.50 = 1,288,428.40 : x
  2. Step 2: Convert to fraction form
    3,532,290.40/5,299,225.50 = 1,288,428.40/x
  3. Step 3: Cross multiply
    3,532,290.40x = 5,299,225.50 × 1,288,428.40
  4. Step 4: Simplify right side
    3,532,290.40x = 6,827,672,632,204.20
  5. Step 5: Solve for x
    x = 6,827,672,632,204.20/3,532,290.40
  6. Step 6: Final answer
    x = 1,932,930.72

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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.