Home / 2,154,255.44-2,972,697.72-1,248,895.76

Finding the Fourth Proportional to 2,154,255.44, 2,972,697.72 and 1,248,895.76

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Solution

The fourth proportional to 2,154,255.44, 2,972,697.72 and 1,248,895.76 is: 1,723,374.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,255.44 : 2,972,697.72 = 1,248,895.76 : x
  2. Step 2: Convert to fraction form
    2,154,255.44/2,972,697.72 = 1,248,895.76/x
  3. Step 3: Cross multiply
    2,154,255.44x = 2,972,697.72 × 1,248,895.76
  4. Step 4: Simplify right side
    2,154,255.44x = 3,712,589,578,269.67
  5. Step 5: Solve for x
    x = 3,712,589,578,269.67/2,154,255.44
  6. Step 6: Final answer
    x = 1,723,374.82

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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.