Home / 2,155,669.22-2,974,723.47-1,237,251.98

Finding the Fourth Proportional to 2,155,669.22, 2,974,723.47 and 1,237,251.98

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Solution

The fourth proportional to 2,155,669.22, 2,974,723.47 and 1,237,251.98 is: 1,707,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,669.22 : 2,974,723.47 = 1,237,251.98 : x
  2. Step 2: Convert to fraction form
    2,155,669.22/2,974,723.47 = 1,237,251.98/x
  3. Step 3: Cross multiply
    2,155,669.22x = 2,974,723.47 × 1,237,251.98
  4. Step 4: Simplify right side
    2,155,669.22x = 3,680,482,488,336.35
  5. Step 5: Solve for x
    x = 3,680,482,488,336.35/2,155,669.22
  6. Step 6: Final answer
    x = 1,707,350.30

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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.