Home / 2,070,403.40-2,857,220.74-1,127,481.88

Finding the Fourth Proportional to 2,070,403.40, 2,857,220.74 and 1,127,481.88

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Solution

The fourth proportional to 2,070,403.40, 2,857,220.74 and 1,127,481.88 is: 1,555,959.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070,403.40 : 2,857,220.74 = 1,127,481.88 : x
  2. Step 2: Convert to fraction form
    2,070,403.40/2,857,220.74 = 1,127,481.88/x
  3. Step 3: Cross multiply
    2,070,403.40x = 2,857,220.74 × 1,127,481.88
  4. Step 4: Simplify right side
    2,070,403.40x = 3,221,464,611,510.19
  5. Step 5: Solve for x
    x = 3,221,464,611,510.19/2,070,403.40
  6. Step 6: Final answer
    x = 1,555,959.87

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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.