Home / 2,889,315.42-3,987,296.91-1,665,598.74

Finding the Fourth Proportional to 2,889,315.42, 3,987,296.91 and 1,665,598.74

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Solution

The fourth proportional to 2,889,315.42, 3,987,296.91 and 1,665,598.74 is: 2,298,550.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,315.42 : 3,987,296.91 = 1,665,598.74 : x
  2. Step 2: Convert to fraction form
    2,889,315.42/3,987,296.91 = 1,665,598.74/x
  3. Step 3: Cross multiply
    2,889,315.42x = 3,987,296.91 × 1,665,598.74
  4. Step 4: Simplify right side
    2,889,315.42x = 6,641,236,709,301.89
  5. Step 5: Solve for x
    x = 6,641,236,709,301.89/2,889,315.42
  6. Step 6: Final answer
    x = 2,298,550.26

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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.