Home / 2,155,669.04-2,974,723.20-1,237,251.80

Finding the Fourth Proportional to 2,155,669.04, 2,974,723.20 and 1,237,251.80

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Solution

The fourth proportional to 2,155,669.04, 2,974,723.20 and 1,237,251.80 is: 1,707,350.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,669.04 : 2,974,723.20 = 1,237,251.80 : x
  2. Step 2: Convert to fraction form
    2,155,669.04/2,974,723.20 = 1,237,251.80/x
  3. Step 3: Cross multiply
    2,155,669.04x = 2,974,723.20 × 1,237,251.80
  4. Step 4: Simplify right side
    2,155,669.04x = 3,680,481,641,138.57
  5. Step 5: Solve for x
    x = 3,680,481,641,138.57/2,155,669.04
  6. Step 6: Final answer
    x = 1,707,350.05

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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.