Home / 1,962,490.31-2,945,557.09-1,003,631.12

Finding the Fourth Proportional to 1,962,490.31, 2,945,557.09 and 1,003,631.12

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Solution

The fourth proportional to 1,962,490.31, 2,945,557.09 and 1,003,631.12 is: 1,506,378.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962,490.31 : 2,945,557.09 = 1,003,631.12 : x
  2. Step 2: Convert to fraction form
    1,962,490.31/2,945,557.09 = 1,003,631.12/x
  3. Step 3: Cross multiply
    1,962,490.31x = 2,945,557.09 × 1,003,631.12
  4. Step 4: Simplify right side
    1,962,490.31x = 2,956,252,769,756.57
  5. Step 5: Solve for x
    x = 2,956,252,769,756.57/1,962,490.31
  6. Step 6: Final answer
    x = 1,506,378.28

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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.