Home / 1,898,841.20-2,620,335.60-1,083,308.88

Finding the Fourth Proportional to 1,898,841.20, 2,620,335.60 and 1,083,308.88

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Solution

The fourth proportional to 1,898,841.20, 2,620,335.60 and 1,083,308.88 is: 1,494,929.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,841.20 : 2,620,335.60 = 1,083,308.88 : x
  2. Step 2: Convert to fraction form
    1,898,841.20/2,620,335.60 = 1,083,308.88/x
  3. Step 3: Cross multiply
    1,898,841.20x = 2,620,335.60 × 1,083,308.88
  4. Step 4: Simplify right side
    1,898,841.20x = 2,838,632,824,060.13
  5. Step 5: Solve for x
    x = 2,838,632,824,060.13/1,898,841.20
  6. Step 6: Final answer
    x = 1,494,929.03

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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.