Home / 2,256,753.78-3,114,320.16-1,289,904.84

Finding the Fourth Proportional to 2,256,753.78, 3,114,320.16 and 1,289,904.84

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Solution

The fourth proportional to 2,256,753.78, 3,114,320.16 and 1,289,904.84 is: 1,780,068.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256,753.78 : 3,114,320.16 = 1,289,904.84 : x
  2. Step 2: Convert to fraction form
    2,256,753.78/3,114,320.16 = 1,289,904.84/x
  3. Step 3: Cross multiply
    2,256,753.78x = 3,114,320.16 × 1,289,904.84
  4. Step 4: Simplify right side
    2,256,753.78x = 4,017,176,647,693.58
  5. Step 5: Solve for x
    x = 4,017,176,647,693.58/2,256,753.78
  6. Step 6: Final answer
    x = 1,780,068.65

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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.