Home / 2,228,514.52-3,075,349.98-1,209,919.36

Finding the Fourth Proportional to 2,228,514.52, 3,075,349.98 and 1,209,919.36

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Solution

The fourth proportional to 2,228,514.52, 3,075,349.98 and 1,209,919.36 is: 1,669,688.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228,514.52 : 3,075,349.98 = 1,209,919.36 : x
  2. Step 2: Convert to fraction form
    2,228,514.52/3,075,349.98 = 1,209,919.36/x
  3. Step 3: Cross multiply
    2,228,514.52x = 3,075,349.98 × 1,209,919.36
  4. Step 4: Simplify right side
    2,228,514.52x = 3,720,925,479,577.61
  5. Step 5: Solve for x
    x = 3,720,925,479,577.61/2,228,514.52
  6. Step 6: Final answer
    x = 1,669,688.69

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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.