Home / 2,140,658.60-3,209,432.70-877,836.20

Finding the Fourth Proportional to 2,140,658.60, 3,209,432.70 and 877,836.20

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Solution

The fourth proportional to 2,140,658.60, 3,209,432.70 and 877,836.20 is: 1,316,116.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,658.60 : 3,209,432.70 = 877,836.20 : x
  2. Step 2: Convert to fraction form
    2,140,658.60/3,209,432.70 = 877,836.20/x
  3. Step 3: Cross multiply
    2,140,658.60x = 3,209,432.70 × 877,836.20
  4. Step 4: Simplify right side
    2,140,658.60x = 2,817,356,205,523.74
  5. Step 5: Solve for x
    x = 2,817,356,205,523.74/2,140,658.60
  6. Step 6: Final answer
    x = 1,316,116.55

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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.