Home / 1,842,300.45-2,543,429.43-1,231,487.69

Finding the Fourth Proportional to 1,842,300.45, 2,543,429.43 and 1,231,487.69

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Solution

The fourth proportional to 1,842,300.45, 2,543,429.43 and 1,231,487.69 is: 1,700,158.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842,300.45 : 2,543,429.43 = 1,231,487.69 : x
  2. Step 2: Convert to fraction form
    1,842,300.45/2,543,429.43 = 1,231,487.69/x
  3. Step 3: Cross multiply
    1,842,300.45x = 2,543,429.43 × 1,231,487.69
  4. Step 4: Simplify right side
    1,842,300.45x = 3,132,202,020,711.57
  5. Step 5: Solve for x
    x = 3,132,202,020,711.57/1,842,300.45
  6. Step 6: Final answer
    x = 1,700,158.09

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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.