Home / 2,810,732.32-3,878,806.20-1,521,572.36

Finding the Fourth Proportional to 2,810,732.32, 3,878,806.20 and 1,521,572.36

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Solution

The fourth proportional to 2,810,732.32, 3,878,806.20 and 1,521,572.36 is: 2,099,767.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,732.32 : 3,878,806.20 = 1,521,572.36 : x
  2. Step 2: Convert to fraction form
    2,810,732.32/3,878,806.20 = 1,521,572.36/x
  3. Step 3: Cross multiply
    2,810,732.32x = 3,878,806.20 × 1,521,572.36
  4. Step 4: Simplify right side
    2,810,732.32x = 5,901,884,303,716.63
  5. Step 5: Solve for x
    x = 5,901,884,303,716.63/2,810,732.32
  6. Step 6: Final answer
    x = 2,099,767.47

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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.