Home / 2,205,636.80-3,308,455.20-608,446.40

Finding the Fourth Proportional to 2,205,636.80, 3,308,455.20 and 608,446.40

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Solution

The fourth proportional to 2,205,636.80, 3,308,455.20 and 608,446.40 is: 912,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,636.80 : 3,308,455.20 = 608,446.40 : x
  2. Step 2: Convert to fraction form
    2,205,636.80/3,308,455.20 = 608,446.40/x
  3. Step 3: Cross multiply
    2,205,636.80x = 3,308,455.20 × 608,446.40
  4. Step 4: Simplify right side
    2,205,636.80x = 2,013,017,656,001.28
  5. Step 5: Solve for x
    x = 2,013,017,656,001.28/2,205,636.80
  6. Step 6: Final answer
    x = 912,669.60

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Double scale
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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.