Home / 1,902,629.28-2,625,710.40-1,138,535.76

Finding the Fourth Proportional to 1,902,629.28, 2,625,710.40 and 1,138,535.76

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Solution

The fourth proportional to 1,902,629.28, 2,625,710.40 and 1,138,535.76 is: 1,571,228.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902,629.28 : 2,625,710.40 = 1,138,535.76 : x
  2. Step 2: Convert to fraction form
    1,902,629.28/2,625,710.40 = 1,138,535.76/x
  3. Step 3: Cross multiply
    1,902,629.28x = 2,625,710.40 × 1,138,535.76
  4. Step 4: Simplify right side
    1,902,629.28x = 2,989,465,185,803.90
  5. Step 5: Solve for x
    x = 2,989,465,185,803.90/1,902,629.28
  6. Step 6: Final answer
    x = 1,571,228.41

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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.