Home / 1,563,777.11-2,158,270.61-1,073,343.72

Finding the Fourth Proportional to 1,563,777.11, 2,158,270.61 and 1,073,343.72

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Solution

The fourth proportional to 1,563,777.11, 2,158,270.61 and 1,073,343.72 is: 1,481,391.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563,777.11 : 2,158,270.61 = 1,073,343.72 : x
  2. Step 2: Convert to fraction form
    1,563,777.11/2,158,270.61 = 1,073,343.72/x
  3. Step 3: Cross multiply
    1,563,777.11x = 2,158,270.61 × 1,073,343.72
  4. Step 4: Simplify right side
    1,563,777.11x = 2,316,566,199,937.35
  5. Step 5: Solve for x
    x = 2,316,566,199,937.35/1,563,777.11
  6. Step 6: Final answer
    x = 1,481,391.56

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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.