Home / 2,103,141.70-3,154,712.55-1,543,269.70

Finding the Fourth Proportional to 2,103,141.70, 3,154,712.55 and 1,543,269.70

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Solution

The fourth proportional to 2,103,141.70, 3,154,712.55 and 1,543,269.70 is: 2,314,904.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,141.70 : 3,154,712.55 = 1,543,269.70 : x
  2. Step 2: Convert to fraction form
    2,103,141.70/3,154,712.55 = 1,543,269.70/x
  3. Step 3: Cross multiply
    2,103,141.70x = 3,154,712.55 × 1,543,269.70
  4. Step 4: Simplify right side
    2,103,141.70x = 4,868,572,290,624.73
  5. Step 5: Solve for x
    x = 4,868,572,290,624.73/2,103,141.70
  6. Step 6: Final answer
    x = 2,314,904.55

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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.