Home / 2,103,139.80-3,154,709.70-1,038,346.20

Finding the Fourth Proportional to 2,103,139.80, 3,154,709.70 and 1,038,346.20

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Solution

The fourth proportional to 2,103,139.80, 3,154,709.70 and 1,038,346.20 is: 1,557,519.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,139.80 : 3,154,709.70 = 1,038,346.20 : x
  2. Step 2: Convert to fraction form
    2,103,139.80/3,154,709.70 = 1,038,346.20/x
  3. Step 3: Cross multiply
    2,103,139.80x = 3,154,709.70 × 1,038,346.20
  4. Step 4: Simplify right side
    2,103,139.80x = 3,275,680,829,098.14
  5. Step 5: Solve for x
    x = 3,275,680,829,098.14/2,103,139.80
  6. Step 6: Final answer
    x = 1,557,519.30

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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.