Home / 2,900,998.80-4,351,498.20-771,298.20

Finding the Fourth Proportional to 2,900,998.80, 4,351,498.20 and 771,298.20

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Solution

The fourth proportional to 2,900,998.80, 4,351,498.20 and 771,298.20 is: 1,156,947.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900,998.80 : 4,351,498.20 = 771,298.20 : x
  2. Step 2: Convert to fraction form
    2,900,998.80/4,351,498.20 = 771,298.20/x
  3. Step 3: Cross multiply
    2,900,998.80x = 4,351,498.20 × 771,298.20
  4. Step 4: Simplify right side
    2,900,998.80x = 3,356,302,728,963.24
  5. Step 5: Solve for x
    x = 3,356,302,728,963.24/2,900,998.80
  6. Step 6: Final answer
    x = 1,156,947.30

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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.