Home / 2,428,139.40-3,639,876.30-1,888,096.20

Finding the Fourth Proportional to 2,428,139.40, 3,639,876.30 and 1,888,096.20

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Solution

The fourth proportional to 2,428,139.40, 3,639,876.30 and 1,888,096.20 is: 2,830,330.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428,139.40 : 3,639,876.30 = 1,888,096.20 : x
  2. Step 2: Convert to fraction form
    2,428,139.40/3,639,876.30 = 1,888,096.20/x
  3. Step 3: Cross multiply
    2,428,139.40x = 3,639,876.30 × 1,888,096.20
  4. Step 4: Simplify right side
    2,428,139.40x = 6,872,436,610,500.06
  5. Step 5: Solve for x
    x = 6,872,436,610,500.06/2,428,139.40
  6. Step 6: Final answer
    x = 2,830,330.34

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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.