Home / 2,889,569.12-3,987,595.23-1,665,868.71

Finding the Fourth Proportional to 2,889,569.12, 3,987,595.23 and 1,665,868.71

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Solution

The fourth proportional to 2,889,569.12, 3,987,595.23 and 1,665,868.71 is: 2,298,892.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,569.12 : 3,987,595.23 = 1,665,868.71 : x
  2. Step 2: Convert to fraction form
    2,889,569.12/3,987,595.23 = 1,665,868.71/x
  3. Step 3: Cross multiply
    2,889,569.12x = 3,987,595.23 × 1,665,868.71
  4. Step 4: Simplify right side
    2,889,569.12x = 6,642,810,121,802.25
  5. Step 5: Solve for x
    x = 6,642,810,121,802.25/2,889,569.12
  6. Step 6: Final answer
    x = 2,298,892.97

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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.