Home / 1,939,366.21-2,909,049.24-914,457.93

Finding the Fourth Proportional to 1,939,366.21, 2,909,049.24 and 914,457.93

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Solution

The fourth proportional to 1,939,366.21, 2,909,049.24 and 914,457.93 is: 1,371,686.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,366.21 : 2,909,049.24 = 914,457.93 : x
  2. Step 2: Convert to fraction form
    1,939,366.21/2,909,049.24 = 914,457.93/x
  3. Step 3: Cross multiply
    1,939,366.21x = 2,909,049.24 × 914,457.93
  4. Step 4: Simplify right side
    1,939,366.21x = 2,660,203,146,278.47
  5. Step 5: Solve for x
    x = 2,660,203,146,278.47/1,939,366.21
  6. Step 6: Final answer
    x = 1,371,686.86

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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.