Home / 1,901,914.16-2,851,177.98-687,219.86

Finding the Fourth Proportional to 1,901,914.16, 2,851,177.98 and 687,219.86

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Solution

The fourth proportional to 1,901,914.16, 2,851,177.98 and 687,219.86 is: 1,030,217.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901,914.16 : 2,851,177.98 = 687,219.86 : x
  2. Step 2: Convert to fraction form
    1,901,914.16/2,851,177.98 = 687,219.86/x
  3. Step 3: Cross multiply
    1,901,914.16x = 2,851,177.98 × 687,219.86
  4. Step 4: Simplify right side
    1,901,914.16x = 1,959,386,148,453.17
  5. Step 5: Solve for x
    x = 1,959,386,148,453.17/1,901,914.16
  6. Step 6: Final answer
    x = 1,030,217.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.