Home / 1,918,580.04-2,647,648.90-1,059,147.36

Finding the Fourth Proportional to 1,918,580.04, 2,647,648.90 and 1,059,147.36

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Solution

The fourth proportional to 1,918,580.04, 2,647,648.90 and 1,059,147.36 is: 1,461,628.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,580.04 : 2,647,648.90 = 1,059,147.36 : x
  2. Step 2: Convert to fraction form
    1,918,580.04/2,647,648.90 = 1,059,147.36/x
  3. Step 3: Cross multiply
    1,918,580.04x = 2,647,648.90 × 1,059,147.36
  4. Step 4: Simplify right side
    1,918,580.04x = 2,804,250,342,641.90
  5. Step 5: Solve for x
    x = 2,804,250,342,641.90/1,918,580.04
  6. Step 6: Final answer
    x = 1,461,628.02

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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.