Home / 2,803,659.84-4,205,429.10-781,849.89

Finding the Fourth Proportional to 2,803,659.84, 4,205,429.10 and 781,849.89

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Solution

The fourth proportional to 2,803,659.84, 4,205,429.10 and 781,849.89 is: 1,172,757.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803,659.84 : 4,205,429.10 = 781,849.89 : x
  2. Step 2: Convert to fraction form
    2,803,659.84/4,205,429.10 = 781,849.89/x
  3. Step 3: Cross multiply
    2,803,659.84x = 4,205,429.10 × 781,849.89
  4. Step 4: Simplify right side
    2,803,659.84x = 3,288,014,279,237.80
  5. Step 5: Solve for x
    x = 3,288,014,279,237.80/2,803,659.84
  6. Step 6: Final answer
    x = 1,172,757.92

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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.