Home / 2,136,838.72-2,948,724.32-1,169,781.76

Finding the Fourth Proportional to 2,136,838.72, 2,948,724.32 and 1,169,781.76

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Solution

The fourth proportional to 2,136,838.72, 2,948,724.32 and 1,169,781.76 is: 1,614,236.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,838.72 : 2,948,724.32 = 1,169,781.76 : x
  2. Step 2: Convert to fraction form
    2,136,838.72/2,948,724.32 = 1,169,781.76/x
  3. Step 3: Cross multiply
    2,136,838.72x = 2,948,724.32 × 1,169,781.76
  4. Step 4: Simplify right side
    2,136,838.72x = 3,449,363,924,804.40
  5. Step 5: Solve for x
    x = 3,449,363,924,804.40/2,136,838.72
  6. Step 6: Final answer
    x = 1,614,236.91

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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.