Home / 1,930,229.40-2,896,380.90-808,411.80

Finding the Fourth Proportional to 1,930,229.40, 2,896,380.90 and 808,411.80

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Solution

The fourth proportional to 1,930,229.40, 2,896,380.90 and 808,411.80 is: 1,213,051.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,229.40 : 2,896,380.90 = 808,411.80 : x
  2. Step 2: Convert to fraction form
    1,930,229.40/2,896,380.90 = 808,411.80/x
  3. Step 3: Cross multiply
    1,930,229.40x = 2,896,380.90 × 808,411.80
  4. Step 4: Simplify right side
    1,930,229.40x = 2,341,468,496,854.62
  5. Step 5: Solve for x
    x = 2,341,468,496,854.62/1,930,229.40
  6. Step 6: Final answer
    x = 1,213,051.93

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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.