Home / 2,872,942.56-3,964,671.36-1,566,187.20

Finding the Fourth Proportional to 2,872,942.56, 3,964,671.36 and 1,566,187.20

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Solution

The fourth proportional to 2,872,942.56, 3,964,671.36 and 1,566,187.20 is: 2,161,344.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,942.56 : 3,964,671.36 = 1,566,187.20 : x
  2. Step 2: Convert to fraction form
    2,872,942.56/3,964,671.36 = 1,566,187.20/x
  3. Step 3: Cross multiply
    2,872,942.56x = 3,964,671.36 × 1,566,187.20
  4. Step 4: Simplify right side
    2,872,942.56x = 6,209,417,536,238.59
  5. Step 5: Solve for x
    x = 6,209,417,536,238.59/2,872,942.56
  6. Step 6: Final answer
    x = 2,161,344.13

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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.