Home / 1,918,808.76-2,647,960.02-1,059,370.68

Finding the Fourth Proportional to 1,918,808.76, 2,647,960.02 and 1,059,370.68

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Solution

The fourth proportional to 1,918,808.76, 2,647,960.02 and 1,059,370.68 is: 1,461,933.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,808.76 : 2,647,960.02 = 1,059,370.68 : x
  2. Step 2: Convert to fraction form
    1,918,808.76/2,647,960.02 = 1,059,370.68/x
  3. Step 3: Cross multiply
    1,918,808.76x = 2,647,960.02 × 1,059,370.68
  4. Step 4: Simplify right side
    1,918,808.76x = 2,805,171,207,000.21
  5. Step 5: Solve for x
    x = 2,805,171,207,000.21/1,918,808.76
  6. Step 6: Final answer
    x = 1,461,933.71

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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.