Home / 1,939,726.60-2,909,410.38-914,821.87

Finding the Fourth Proportional to 1,939,726.60, 2,909,410.38 and 914,821.87

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Solution

The fourth proportional to 1,939,726.60, 2,909,410.38 and 914,821.87 is: 1,372,148.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,726.60 : 2,909,410.38 = 914,821.87 : x
  2. Step 2: Convert to fraction form
    1,939,726.60/2,909,410.38 = 914,821.87/x
  3. Step 3: Cross multiply
    1,939,726.60x = 2,909,410.38 × 914,821.87
  4. Step 4: Simplify right side
    1,939,726.60x = 2,661,592,244,429.01
  5. Step 5: Solve for x
    x = 2,661,592,244,429.01/1,939,726.60
  6. Step 6: Final answer
    x = 1,372,148.14

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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.