Home / 2,869,855.74-3,960,251.13-1,782,103.89

Finding the Fourth Proportional to 2,869,855.74, 3,960,251.13 and 1,782,103.89

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Solution

The fourth proportional to 2,869,855.74, 3,960,251.13 and 1,782,103.89 is: 2,459,210.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869,855.74 : 3,960,251.13 = 1,782,103.89 : x
  2. Step 2: Convert to fraction form
    2,869,855.74/3,960,251.13 = 1,782,103.89/x
  3. Step 3: Cross multiply
    2,869,855.74x = 3,960,251.13 × 1,782,103.89
  4. Step 4: Simplify right side
    2,869,855.74x = 7,057,578,944,149.90
  5. Step 5: Solve for x
    x = 7,057,578,944,149.90/2,869,855.74
  6. Step 6: Final answer
    x = 2,459,210.35

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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.