Home / 1,474,319.79-2,035,189.11-991,165.16

Finding the Fourth Proportional to 1,474,319.79, 2,035,189.11 and 991,165.16

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Solution

The fourth proportional to 1,474,319.79, 2,035,189.11 and 991,165.16 is: 1,368,229.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474,319.79 : 2,035,189.11 = 991,165.16 : x
  2. Step 2: Convert to fraction form
    1,474,319.79/2,035,189.11 = 991,165.16/x
  3. Step 3: Cross multiply
    1,474,319.79x = 2,035,189.11 × 991,165.16
  4. Step 4: Simplify right side
    1,474,319.79x = 2,017,208,529,667.46
  5. Step 5: Solve for x
    x = 2,017,208,529,667.46/1,474,319.79
  6. Step 6: Final answer
    x = 1,368,229.98

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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.