Home / 5,429,386.40-8,137,081.20-3,297,207.20

Finding the Fourth Proportional to 5,429,386.40, 8,137,081.20 and 3,297,207.20

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Solution

The fourth proportional to 5,429,386.40, 8,137,081.20 and 3,297,207.20 is: 4,941,560.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,386.40 : 8,137,081.20 = 3,297,207.20 : x
  2. Step 2: Convert to fraction form
    5,429,386.40/8,137,081.20 = 3,297,207.20/x
  3. Step 3: Cross multiply
    5,429,386.40x = 8,137,081.20 × 3,297,207.20
  4. Step 4: Simplify right side
    5,429,386.40x = 26,829,642,719,624.64
  5. Step 5: Solve for x
    x = 26,829,642,719,624.64/5,429,386.40
  6. Step 6: Final answer
    x = 4,941,560.75

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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.