Home / 1,918,659.10-2,647,680.14-1,059,200.86

Finding the Fourth Proportional to 1,918,659.10, 2,647,680.14 and 1,059,200.86

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Solution

The fourth proportional to 1,918,659.10, 2,647,680.14 and 1,059,200.86 is: 1,461,658.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,659.10 : 2,647,680.14 = 1,059,200.86 : x
  2. Step 2: Convert to fraction form
    1,918,659.10/2,647,680.14 = 1,059,200.86/x
  3. Step 3: Cross multiply
    1,918,659.10x = 2,647,680.14 × 1,059,200.86
  4. Step 4: Simplify right side
    1,918,659.10x = 2,804,425,081,292.92
  5. Step 5: Solve for x
    x = 2,804,425,081,292.92/1,918,659.10
  6. Step 6: Final answer
    x = 1,461,658.86

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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.