Home / 2,628,952.20-3,943,428.30-1,031,567.40

Finding the Fourth Proportional to 2,628,952.20, 3,943,428.30 and 1,031,567.40

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Solution

The fourth proportional to 2,628,952.20, 3,943,428.30 and 1,031,567.40 is: 1,547,351.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,952.20 : 3,943,428.30 = 1,031,567.40 : x
  2. Step 2: Convert to fraction form
    2,628,952.20/3,943,428.30 = 1,031,567.40/x
  3. Step 3: Cross multiply
    2,628,952.20x = 3,943,428.30 × 1,031,567.40
  4. Step 4: Simplify right side
    2,628,952.20x = 4,067,912,078,517.42
  5. Step 5: Solve for x
    x = 4,067,912,078,517.42/2,628,952.20
  6. Step 6: Final answer
    x = 1,547,351.10

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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.