Home / 2,979,605.76-4,112,298.66-1,755,520.02

Finding the Fourth Proportional to 2,979,605.76, 4,112,298.66 and 1,755,520.02

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Solution

The fourth proportional to 2,979,605.76, 4,112,298.66 and 1,755,520.02 is: 2,422,878.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,605.76 : 4,112,298.66 = 1,755,520.02 : x
  2. Step 2: Convert to fraction form
    2,979,605.76/4,112,298.66 = 1,755,520.02/x
  3. Step 3: Cross multiply
    2,979,605.76x = 4,112,298.66 × 1,755,520.02
  4. Step 4: Simplify right side
    2,979,605.76x = 7,219,222,625,849.17
  5. Step 5: Solve for x
    x = 7,219,222,625,849.17/2,979,605.76
  6. Step 6: Final answer
    x = 2,422,878.46

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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.