Home / 2,256,732.12-3,114,290.32-1,289,883.17

Finding the Fourth Proportional to 2,256,732.12, 3,114,290.32 and 1,289,883.17

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Solution

The fourth proportional to 2,256,732.12, 3,114,290.32 and 1,289,883.17 is: 1,780,038.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256,732.12 : 3,114,290.32 = 1,289,883.17 : x
  2. Step 2: Convert to fraction form
    2,256,732.12/3,114,290.32 = 1,289,883.17/x
  3. Step 3: Cross multiply
    2,256,732.12x = 3,114,290.32 × 1,289,883.17
  4. Step 4: Simplify right side
    2,256,732.12x = 4,017,070,655,743.43
  5. Step 5: Solve for x
    x = 4,017,070,655,743.43/2,256,732.12
  6. Step 6: Final answer
    x = 1,780,038.77

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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.