Home / 3,266,921.16-4,507,687.26-1,908,531.72

Finding the Fourth Proportional to 3,266,921.16, 4,507,687.26 and 1,908,531.72

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Solution

The fourth proportional to 3,266,921.16, 4,507,687.26 and 1,908,531.72 is: 2,633,385.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266,921.16 : 4,507,687.26 = 1,908,531.72 : x
  2. Step 2: Convert to fraction form
    3,266,921.16/4,507,687.26 = 1,908,531.72/x
  3. Step 3: Cross multiply
    3,266,921.16x = 4,507,687.26 × 1,908,531.72
  4. Step 4: Simplify right side
    3,266,921.16x = 8,603,064,119,549.89
  5. Step 5: Solve for x
    x = 8,603,064,119,549.89/3,266,921.16
  6. Step 6: Final answer
    x = 2,633,385.90

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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.