Home / 2,134,721.14-2,945,433.45-1,275,113.50

Finding the Fourth Proportional to 2,134,721.14, 2,945,433.45 and 1,275,113.50

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Solution

The fourth proportional to 2,134,721.14, 2,945,433.45 and 1,275,113.50 is: 1,759,368.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134,721.14 : 2,945,433.45 = 1,275,113.50 : x
  2. Step 2: Convert to fraction form
    2,134,721.14/2,945,433.45 = 1,275,113.50/x
  3. Step 3: Cross multiply
    2,134,721.14x = 2,945,433.45 × 1,275,113.50
  4. Step 4: Simplify right side
    2,134,721.14x = 3,755,761,955,446.58
  5. Step 5: Solve for x
    x = 3,755,761,955,446.58/2,134,721.14
  6. Step 6: Final answer
    x = 1,759,368.89

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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.