Home / 2,941,631.20-4,412,701.14-811,715.42

Finding the Fourth Proportional to 2,941,631.20, 4,412,701.14 and 811,715.42

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Solution

The fourth proportional to 2,941,631.20, 4,412,701.14 and 811,715.42 is: 1,217,643.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941,631.20 : 4,412,701.14 = 811,715.42 : x
  2. Step 2: Convert to fraction form
    2,941,631.20/4,412,701.14 = 811,715.42/x
  3. Step 3: Cross multiply
    2,941,631.20x = 4,412,701.14 × 811,715.42
  4. Step 4: Simplify right side
    2,941,631.20x = 3,581,857,559,189.58
  5. Step 5: Solve for x
    x = 3,581,857,559,189.58/2,941,631.20
  6. Step 6: Final answer
    x = 1,217,643.31

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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.