Home / 3,785,082.98-5,223,347.10-2,153,455.22

Finding the Fourth Proportional to 3,785,082.98, 5,223,347.10 and 2,153,455.22

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Solution

The fourth proportional to 3,785,082.98, 5,223,347.10 and 2,153,455.22 is: 2,971,729.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785,082.98 : 5,223,347.10 = 2,153,455.22 : x
  2. Step 2: Convert to fraction form
    3,785,082.98/5,223,347.10 = 2,153,455.22/x
  3. Step 3: Cross multiply
    3,785,082.98x = 5,223,347.10 × 2,153,455.22
  4. Step 4: Simplify right side
    3,785,082.98x = 11,248,244,091,425.23
  5. Step 5: Solve for x
    x = 11,248,244,091,425.23/3,785,082.98
  6. Step 6: Final answer
    x = 2,971,729.86

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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.