Home / 1,875,238.56-2,588,020.56-1,352,378.16

Finding the Fourth Proportional to 1,875,238.56, 2,588,020.56 and 1,352,378.16

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Solution

The fourth proportional to 1,875,238.56, 2,588,020.56 and 1,352,378.16 is: 1,866,419.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875,238.56 : 2,588,020.56 = 1,352,378.16 : x
  2. Step 2: Convert to fraction form
    1,875,238.56/2,588,020.56 = 1,352,378.16/x
  3. Step 3: Cross multiply
    1,875,238.56x = 2,588,020.56 × 1,352,378.16
  4. Step 4: Simplify right side
    1,875,238.56x = 3,499,982,482,974.97
  5. Step 5: Solve for x
    x = 3,499,982,482,974.97/1,875,238.56
  6. Step 6: Final answer
    x = 1,866,419.86

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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.