Home / 2,121,114-2,927,203.19-1,203,381.79

Finding the Fourth Proportional to 2,121,114, 2,927,203.19 and 1,203,381.79

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Solution

The fourth proportional to 2,121,114, 2,927,203.19 and 1,203,381.79 is: 1,660,704.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,114 : 2,927,203.19 = 1,203,381.79 : x
  2. Step 2: Convert to fraction form
    2,121,114/2,927,203.19 = 1,203,381.79/x
  3. Step 3: Cross multiply
    2,121,114x = 2,927,203.19 × 1,203,381.79
  4. Step 4: Simplify right side
    2,121,114x = 3,522,543,014,475.91
  5. Step 5: Solve for x
    x = 3,522,543,014,475.91/2,121,114
  6. Step 6: Final answer
    x = 1,660,704.24

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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.