Home / 2,754,509.40-4,131,764.10-2,116,780.20

Finding the Fourth Proportional to 2,754,509.40, 4,131,764.10 and 2,116,780.20

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Solution

The fourth proportional to 2,754,509.40, 4,131,764.10 and 2,116,780.20 is: 3,175,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754,509.40 : 4,131,764.10 = 2,116,780.20 : x
  2. Step 2: Convert to fraction form
    2,754,509.40/4,131,764.10 = 2,116,780.20/x
  3. Step 3: Cross multiply
    2,754,509.40x = 4,131,764.10 × 2,116,780.20
  4. Step 4: Simplify right side
    2,754,509.40x = 8,746,036,437,950.82
  5. Step 5: Solve for x
    x = 8,746,036,437,950.82/2,754,509.40
  6. Step 6: Final answer
    x = 3,175,170.30

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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.