Home / 1,913,028.20-2,640,098.26-1,053,588.24

Finding the Fourth Proportional to 1,913,028.20, 2,640,098.26 and 1,053,588.24

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Solution

The fourth proportional to 1,913,028.20, 2,640,098.26 and 1,053,588.24 is: 1,454,017.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,028.20 : 2,640,098.26 = 1,053,588.24 : x
  2. Step 2: Convert to fraction form
    1,913,028.20/2,640,098.26 = 1,053,588.24/x
  3. Step 3: Cross multiply
    1,913,028.20x = 2,640,098.26 × 1,053,588.24
  4. Step 4: Simplify right side
    1,913,028.20x = 2,781,576,479,180.46
  5. Step 5: Solve for x
    x = 2,781,576,479,180.46/1,913,028.20
  6. Step 6: Final answer
    x = 1,454,017.50

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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.