Home / 2,540,781.95-3,506,288.60-1,379,230.49

Finding the Fourth Proportional to 2,540,781.95, 3,506,288.60 and 1,379,230.49

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Solution

The fourth proportional to 2,540,781.95, 3,506,288.60 and 1,379,230.49 is: 1,903,343.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540,781.95 : 3,506,288.60 = 1,379,230.49 : x
  2. Step 2: Convert to fraction form
    2,540,781.95/3,506,288.60 = 1,379,230.49/x
  3. Step 3: Cross multiply
    2,540,781.95x = 3,506,288.60 × 1,379,230.49
  4. Step 4: Simplify right side
    2,540,781.95x = 4,835,980,156,073.21
  5. Step 5: Solve for x
    x = 4,835,980,156,073.21/2,540,781.95
  6. Step 6: Final answer
    x = 1,903,343.25

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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.