Home / 2,191,495.40-3,285,472.84-913,065.72

Finding the Fourth Proportional to 2,191,495.40, 3,285,472.84 and 913,065.72

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Solution

The fourth proportional to 2,191,495.40, 3,285,472.84 and 913,065.72 is: 1,368,861.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,495.40 : 3,285,472.84 = 913,065.72 : x
  2. Step 2: Convert to fraction form
    2,191,495.40/3,285,472.84 = 913,065.72/x
  3. Step 3: Cross multiply
    2,191,495.40x = 3,285,472.84 × 913,065.72
  4. Step 4: Simplify right side
    2,191,495.40x = 2,999,852,614,727.85
  5. Step 5: Solve for x
    x = 2,999,852,614,727.85/2,191,495.40
  6. Step 6: Final answer
    x = 1,368,861.01

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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.