Home / 2,689,512.90-4,034,269.35-983,652.90

Finding the Fourth Proportional to 2,689,512.90, 4,034,269.35 and 983,652.90

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Solution

The fourth proportional to 2,689,512.90, 4,034,269.35 and 983,652.90 is: 1,475,479.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,512.90 : 4,034,269.35 = 983,652.90 : x
  2. Step 2: Convert to fraction form
    2,689,512.90/4,034,269.35 = 983,652.90/x
  3. Step 3: Cross multiply
    2,689,512.90x = 4,034,269.35 × 983,652.90
  4. Step 4: Simplify right side
    2,689,512.90x = 3,968,320,745,508.62
  5. Step 5: Solve for x
    x = 3,968,320,745,508.62/2,689,512.90
  6. Step 6: Final answer
    x = 1,475,479.35

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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.