Home / 1,820,856-2,512,781.50-1,005,059.96

Finding the Fourth Proportional to 1,820,856, 2,512,781.50 and 1,005,059.96

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Solution

The fourth proportional to 1,820,856, 2,512,781.50 and 1,005,059.96 is: 1,386,982.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,856 : 2,512,781.50 = 1,005,059.96 : x
  2. Step 2: Convert to fraction form
    1,820,856/2,512,781.50 = 1,005,059.96/x
  3. Step 3: Cross multiply
    1,820,856x = 2,512,781.50 × 1,005,059.96
  4. Step 4: Simplify right side
    1,820,856x = 2,525,496,073,878.74
  5. Step 5: Solve for x
    x = 2,525,496,073,878.74/1,820,856
  6. Step 6: Final answer
    x = 1,386,982.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.