Home / 3,754,320.13-5,180,930.53-2,123,047.81

Finding the Fourth Proportional to 3,754,320.13, 5,180,930.53 and 2,123,047.81

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Solution

The fourth proportional to 3,754,320.13, 5,180,930.53 and 2,123,047.81 is: 2,929,788.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754,320.13 : 5,180,930.53 = 2,123,047.81 : x
  2. Step 2: Convert to fraction form
    3,754,320.13/5,180,930.53 = 2,123,047.81/x
  3. Step 3: Cross multiply
    3,754,320.13x = 5,180,930.53 × 2,123,047.81
  4. Step 4: Simplify right side
    3,754,320.13x = 10,999,363,215,478.64
  5. Step 5: Solve for x
    x = 10,999,363,215,478.64/3,754,320.13
  6. Step 6: Final answer
    x = 2,929,788.31

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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.