Home / 1,947,881.70-2,921,822.55-1,475,489.70

Finding the Fourth Proportional to 1,947,881.70, 2,921,822.55 and 1,475,489.70

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Solution

The fourth proportional to 1,947,881.70, 2,921,822.55 and 1,475,489.70 is: 2,213,234.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,881.70 : 2,921,822.55 = 1,475,489.70 : x
  2. Step 2: Convert to fraction form
    1,947,881.70/2,921,822.55 = 1,475,489.70/x
  3. Step 3: Cross multiply
    1,947,881.70x = 2,921,822.55 × 1,475,489.70
  4. Step 4: Simplify right side
    1,947,881.70x = 4,311,119,077,752.73
  5. Step 5: Solve for x
    x = 4,311,119,077,752.73/1,947,881.70
  6. Step 6: Final answer
    x = 2,213,234.55

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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.