Home / 1,918,483.40-2,647,507.62-1,059,044.20

Finding the Fourth Proportional to 1,918,483.40, 2,647,507.62 and 1,059,044.20

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Solution

The fourth proportional to 1,918,483.40, 2,647,507.62 and 1,059,044.20 is: 1,461,481.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,483.40 : 2,647,507.62 = 1,059,044.20 : x
  2. Step 2: Convert to fraction form
    1,918,483.40/2,647,507.62 = 1,059,044.20/x
  3. Step 3: Cross multiply
    1,918,483.40x = 2,647,507.62 × 1,059,044.20
  4. Step 4: Simplify right side
    1,918,483.40x = 2,803,827,589,416.80
  5. Step 5: Solve for x
    x = 2,803,827,589,416.80/1,918,483.40
  6. Step 6: Final answer
    x = 1,461,481.29

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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.