Home / 1,810,112.15-2,497,240.47-1,165,905.78

Finding the Fourth Proportional to 1,810,112.15, 2,497,240.47 and 1,165,905.78

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Solution

The fourth proportional to 1,810,112.15, 2,497,240.47 and 1,165,905.78 is: 1,608,489.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810,112.15 : 2,497,240.47 = 1,165,905.78 : x
  2. Step 2: Convert to fraction form
    1,810,112.15/2,497,240.47 = 1,165,905.78/x
  3. Step 3: Cross multiply
    1,810,112.15x = 2,497,240.47 × 1,165,905.78
  4. Step 4: Simplify right side
    1,810,112.15x = 2,911,547,098,022.92
  5. Step 5: Solve for x
    x = 2,911,547,098,022.92/1,810,112.15
  6. Step 6: Final answer
    x = 1,608,489.90

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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.