Home / 2,124,548.46-2,931,785.08-1,206,774.72

Finding the Fourth Proportional to 2,124,548.46, 2,931,785.08 and 1,206,774.72

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Solution

The fourth proportional to 2,124,548.46, 2,931,785.08 and 1,206,774.72 is: 1,665,296.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,548.46 : 2,931,785.08 = 1,206,774.72 : x
  2. Step 2: Convert to fraction form
    2,124,548.46/2,931,785.08 = 1,206,774.72/x
  3. Step 3: Cross multiply
    2,124,548.46x = 2,931,785.08 × 1,206,774.72
  4. Step 4: Simplify right side
    2,124,548.46x = 3,538,004,116,000.24
  5. Step 5: Solve for x
    x = 3,538,004,116,000.24/2,124,548.46
  6. Step 6: Final answer
    x = 1,665,296.97

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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.