Home / 2,119,029.12-3,178,472.27-920,951.57

Finding the Fourth Proportional to 2,119,029.12, 3,178,472.27 and 920,951.57

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Solution

The fourth proportional to 2,119,029.12, 3,178,472.27 and 920,951.57 is: 1,381,396.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,029.12 : 3,178,472.27 = 920,951.57 : x
  2. Step 2: Convert to fraction form
    2,119,029.12/3,178,472.27 = 920,951.57/x
  3. Step 3: Cross multiply
    2,119,029.12x = 3,178,472.27 × 920,951.57
  4. Step 4: Simplify right side
    2,119,029.12x = 2,927,219,030,599.39
  5. Step 5: Solve for x
    x = 2,927,219,030,599.39/2,119,029.12
  6. Step 6: Final answer
    x = 1,381,396.32

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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.