Home / 2,891,236.76-3,989,994.18-1,601,956.52

Finding the Fourth Proportional to 2,891,236.76, 3,989,994.18 and 1,601,956.52

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Solution

The fourth proportional to 2,891,236.76, 3,989,994.18 and 1,601,956.52 is: 2,210,748.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,236.76 : 3,989,994.18 = 1,601,956.52 : x
  2. Step 2: Convert to fraction form
    2,891,236.76/3,989,994.18 = 1,601,956.52/x
  3. Step 3: Cross multiply
    2,891,236.76x = 3,989,994.18 × 1,601,956.52
  4. Step 4: Simplify right side
    2,891,236.76x = 6,391,797,191,413.05
  5. Step 5: Solve for x
    x = 6,391,797,191,413.05/2,891,236.76
  6. Step 6: Final answer
    x = 2,210,748.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.