Home / 2,847,140.66-3,929,054.00-1,557,981.16

Finding the Fourth Proportional to 2,847,140.66, 3,929,054.00 and 1,557,981.16

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Solution

The fourth proportional to 2,847,140.66, 3,929,054.00 and 1,557,981.16 is: 2,150,013.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847,140.66 : 3,929,054.00 = 1,557,981.16 : x
  2. Step 2: Convert to fraction form
    2,847,140.66/3,929,054.00 = 1,557,981.16/x
  3. Step 3: Cross multiply
    2,847,140.66x = 3,929,054.00 × 1,557,981.16
  4. Step 4: Simplify right side
    2,847,140.66x = 6,121,392,091,010.10
  5. Step 5: Solve for x
    x = 6,121,392,091,010.10/2,847,140.66
  6. Step 6: Final answer
    x = 2,150,013.93

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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.