Home / 2,930,621.40-4,395,932.10-2,080,315.80

Finding the Fourth Proportional to 2,930,621.40, 4,395,932.10 and 2,080,315.80

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Solution

The fourth proportional to 2,930,621.40, 4,395,932.10 and 2,080,315.80 is: 3,120,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930,621.40 : 4,395,932.10 = 2,080,315.80 : x
  2. Step 2: Convert to fraction form
    2,930,621.40/4,395,932.10 = 2,080,315.80/x
  3. Step 3: Cross multiply
    2,930,621.40x = 4,395,932.10 × 2,080,315.80
  4. Step 4: Simplify right side
    2,930,621.40x = 9,144,927,003,357.18
  5. Step 5: Solve for x
    x = 9,144,927,003,357.18/2,930,621.40
  6. Step 6: Final answer
    x = 3,120,473.70

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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.