Home / 2,156,570.64-3,231,661.08-875,620.44

Finding the Fourth Proportional to 2,156,570.64, 3,231,661.08 and 875,620.44

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Solution

The fourth proportional to 2,156,570.64, 3,231,661.08 and 875,620.44 is: 1,312,133.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,570.64 : 3,231,661.08 = 875,620.44 : x
  2. Step 2: Convert to fraction form
    2,156,570.64/3,231,661.08 = 875,620.44/x
  3. Step 3: Cross multiply
    2,156,570.64x = 3,231,661.08 × 875,620.44
  4. Step 4: Simplify right side
    2,156,570.64x = 2,829,708,496,800.48
  5. Step 5: Solve for x
    x = 2,829,708,496,800.48/2,156,570.64
  6. Step 6: Final answer
    x = 1,312,133.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.