Home / 1,888,423.28-2,606,024.40-1,028,983.76

Finding the Fourth Proportional to 1,888,423.28, 2,606,024.40 and 1,028,983.76

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Solution

The fourth proportional to 1,888,423.28, 2,606,024.40 and 1,028,983.76 is: 1,419,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,423.28 : 2,606,024.40 = 1,028,983.76 : x
  2. Step 2: Convert to fraction form
    1,888,423.28/2,606,024.40 = 1,028,983.76/x
  3. Step 3: Cross multiply
    1,888,423.28x = 2,606,024.40 × 1,028,983.76
  4. Step 4: Simplify right side
    1,888,423.28x = 2,681,556,785,763.74
  5. Step 5: Solve for x
    x = 2,681,556,785,763.74/1,888,423.28
  6. Step 6: Final answer
    x = 1,419,997.74

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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.