Home / 1,918,645.04-2,647,660.80-1,059,186.88

Finding the Fourth Proportional to 1,918,645.04, 2,647,660.80 and 1,059,186.88

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Solution

The fourth proportional to 1,918,645.04, 2,647,660.80 and 1,059,186.88 is: 1,461,639.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,645.04 : 2,647,660.80 = 1,059,186.88 : x
  2. Step 2: Convert to fraction form
    1,918,645.04/2,647,660.80 = 1,059,186.88/x
  3. Step 3: Cross multiply
    1,918,645.04x = 2,647,660.80 × 1,059,186.88
  4. Step 4: Simplify right side
    1,918,645.04x = 2,804,367,582,050.30
  5. Step 5: Solve for x
    x = 2,804,367,582,050.30/1,918,645.04
  6. Step 6: Final answer
    x = 1,461,639.61

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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.