Home / 2,134,207.16-2,945,131.32-1,216,731.78

Finding the Fourth Proportional to 2,134,207.16, 2,945,131.32 and 1,216,731.78

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Solution

The fourth proportional to 2,134,207.16, 2,945,131.32 and 1,216,731.78 is: 1,679,047.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134,207.16 : 2,945,131.32 = 1,216,731.78 : x
  2. Step 2: Convert to fraction form
    2,134,207.16/2,945,131.32 = 1,216,731.78/x
  3. Step 3: Cross multiply
    2,134,207.16x = 2,945,131.32 × 1,216,731.78
  4. Step 4: Simplify right side
    2,134,207.16x = 3,583,434,874,458.04
  5. Step 5: Solve for x
    x = 3,583,434,874,458.04/2,134,207.16
  6. Step 6: Final answer
    x = 1,679,047.35

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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.