Home / 1,605,251.70-2,393,729.51-1,590,861.78

Finding the Fourth Proportional to 1,605,251.70, 2,393,729.51 and 1,590,861.78

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Solution

The fourth proportional to 1,605,251.70, 2,393,729.51 and 1,590,861.78 is: 2,372,271.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,251.70 : 2,393,729.51 = 1,590,861.78 : x
  2. Step 2: Convert to fraction form
    1,605,251.70/2,393,729.51 = 1,590,861.78/x
  3. Step 3: Cross multiply
    1,605,251.70x = 2,393,729.51 × 1,590,861.78
  4. Step 4: Simplify right side
    1,605,251.70x = 3,808,092,781,162.82
  5. Step 5: Solve for x
    x = 3,808,092,781,162.82/1,605,251.70
  6. Step 6: Final answer
    x = 2,372,271.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.