Home / 3,943,123.70-5,441,510.96-2,132,287.70

Finding the Fourth Proportional to 3,943,123.70, 5,441,510.96 and 2,132,287.70

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Solution

The fourth proportional to 3,943,123.70, 5,441,510.96 and 2,132,287.70 is: 2,942,557.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943,123.70 : 5,441,510.96 = 2,132,287.70 : x
  2. Step 2: Convert to fraction form
    3,943,123.70/5,441,510.96 = 2,132,287.70/x
  3. Step 3: Cross multiply
    3,943,123.70x = 5,441,510.96 × 2,132,287.70
  4. Step 4: Simplify right side
    3,943,123.70x = 11,602,866,851,554.20
  5. Step 5: Solve for x
    x = 11,602,866,851,554.20/3,943,123.70
  6. Step 6: Final answer
    x = 2,942,557.16

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Double scale
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1.5x scale

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.