Home / 2,289,377.40-3,438,002.70-1,620,155.40

Finding the Fourth Proportional to 2,289,377.40, 3,438,002.70 and 1,620,155.40

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Solution

The fourth proportional to 2,289,377.40, 3,438,002.70 and 1,620,155.40 is: 2,433,018.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289,377.40 : 3,438,002.70 = 1,620,155.40 : x
  2. Step 2: Convert to fraction form
    2,289,377.40/3,438,002.70 = 1,620,155.40/x
  3. Step 3: Cross multiply
    2,289,377.40x = 3,438,002.70 × 1,620,155.40
  4. Step 4: Simplify right side
    2,289,377.40x = 5,570,098,639,619.58
  5. Step 5: Solve for x
    x = 5,570,098,639,619.58/2,289,377.40
  6. Step 6: Final answer
    x = 2,433,018.97

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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.