Home / 2,810,766.92-3,878,859.66-1,521,607.32

Finding the Fourth Proportional to 2,810,766.92, 3,878,859.66 and 1,521,607.32

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Solution

The fourth proportional to 2,810,766.92, 3,878,859.66 and 1,521,607.32 is: 2,099,818.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,766.92 : 3,878,859.66 = 1,521,607.32 : x
  2. Step 2: Convert to fraction form
    2,810,766.92/3,878,859.66 = 1,521,607.32/x
  3. Step 3: Cross multiply
    2,810,766.92x = 3,878,859.66 × 1,521,607.32
  4. Step 4: Simplify right side
    2,810,766.92x = 5,902,101,251,908.71
  5. Step 5: Solve for x
    x = 5,902,101,251,908.71/2,810,766.92
  6. Step 6: Final answer
    x = 2,099,818.81

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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.