Home / 2,670,909.70-4,006,364.55-777,712.90

Finding the Fourth Proportional to 2,670,909.70, 4,006,364.55 and 777,712.90

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Solution

The fourth proportional to 2,670,909.70, 4,006,364.55 and 777,712.90 is: 1,166,569.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670,909.70 : 4,006,364.55 = 777,712.90 : x
  2. Step 2: Convert to fraction form
    2,670,909.70/4,006,364.55 = 777,712.90/x
  3. Step 3: Cross multiply
    2,670,909.70x = 4,006,364.55 × 777,712.90
  4. Step 4: Simplify right side
    2,670,909.70x = 3,115,801,392,637.70
  5. Step 5: Solve for x
    x = 3,115,801,392,637.70/2,670,909.70
  6. Step 6: Final answer
    x = 1,166,569.35

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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.