Home / 2,941,400.40-4,412,354.77-811,484.51

Finding the Fourth Proportional to 2,941,400.40, 4,412,354.77 and 811,484.51

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Solution

The fourth proportional to 2,941,400.40, 4,412,354.77 and 811,484.51 is: 1,217,296.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941,400.40 : 4,412,354.77 = 811,484.51 : x
  2. Step 2: Convert to fraction form
    2,941,400.40/4,412,354.77 = 811,484.51/x
  3. Step 3: Cross multiply
    2,941,400.40x = 4,412,354.77 × 811,484.51
  4. Step 4: Simplify right side
    2,941,400.40x = 3,580,557,527,432.20
  5. Step 5: Solve for x
    x = 3,580,557,527,432.20/2,941,400.40
  6. Step 6: Final answer
    x = 1,217,296.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.