Home / 2,117,257.53-3,174,100.95-918,276.81

Finding the Fourth Proportional to 2,117,257.53, 3,174,100.95 and 918,276.81

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Solution

The fourth proportional to 2,117,257.53, 3,174,100.95 and 918,276.81 is: 1,376,640.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,257.53 : 3,174,100.95 = 918,276.81 : x
  2. Step 2: Convert to fraction form
    2,117,257.53/3,174,100.95 = 918,276.81/x
  3. Step 3: Cross multiply
    2,117,257.53x = 3,174,100.95 × 918,276.81
  4. Step 4: Simplify right side
    2,117,257.53x = 2,914,703,294,983.97
  5. Step 5: Solve for x
    x = 2,914,703,294,983.97/2,117,257.53
  6. Step 6: Final answer
    x = 1,376,640.89

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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.