Home / 3,091,411.20-4,637,116.80-847,545.60

Finding the Fourth Proportional to 3,091,411.20, 4,637,116.80 and 847,545.60

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Solution

The fourth proportional to 3,091,411.20, 4,637,116.80 and 847,545.60 is: 1,271,318.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091,411.20 : 4,637,116.80 = 847,545.60 : x
  2. Step 2: Convert to fraction form
    3,091,411.20/4,637,116.80 = 847,545.60/x
  3. Step 3: Cross multiply
    3,091,411.20x = 4,637,116.80 × 847,545.60
  4. Step 4: Simplify right side
    3,091,411.20x = 3,930,167,940,526.08
  5. Step 5: Solve for x
    x = 3,930,167,940,526.08/3,091,411.20
  6. Step 6: Final answer
    x = 1,271,318.40

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Similar ratio
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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.