Home / 1,947,905.01-2,688,375.96-1,120,961.61

Finding the Fourth Proportional to 1,947,905.01, 2,688,375.96 and 1,120,961.61

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Solution

The fourth proportional to 1,947,905.01, 2,688,375.96 and 1,120,961.61 is: 1,547,080.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,905.01 : 2,688,375.96 = 1,120,961.61 : x
  2. Step 2: Convert to fraction form
    1,947,905.01/2,688,375.96 = 1,120,961.61/x
  3. Step 3: Cross multiply
    1,947,905.01x = 2,688,375.96 × 1,120,961.61
  4. Step 4: Simplify right side
    1,947,905.01x = 3,013,566,244,406.90
  5. Step 5: Solve for x
    x = 3,013,566,244,406.90/1,947,905.01
  6. Step 6: Final answer
    x = 1,547,080.70

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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.