Home / 2,889,437.49-3,987,081.50-1,666,145.12

Finding the Fourth Proportional to 2,889,437.49, 3,987,081.50 and 1,666,145.12

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Solution

The fourth proportional to 2,889,437.49, 3,987,081.50 and 1,666,145.12 is: 2,299,082.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,437.49 : 3,987,081.50 = 1,666,145.12 : x
  2. Step 2: Convert to fraction form
    2,889,437.49/3,987,081.50 = 1,666,145.12/x
  3. Step 3: Cross multiply
    2,889,437.49x = 3,987,081.50 × 1,666,145.12
  4. Step 4: Simplify right side
    2,889,437.49x = 6,643,056,356,001.15
  5. Step 5: Solve for x
    x = 6,643,056,356,001.15/2,889,437.49
  6. Step 6: Final answer
    x = 2,299,082.91

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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.