Home / 3,675,989.71-5,514,248.22-980,300.80

Finding the Fourth Proportional to 3,675,989.71, 5,514,248.22 and 980,300.80

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Solution

The fourth proportional to 3,675,989.71, 5,514,248.22 and 980,300.80 is: 1,470,521.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675,989.71 : 5,514,248.22 = 980,300.80 : x
  2. Step 2: Convert to fraction form
    3,675,989.71/5,514,248.22 = 980,300.80/x
  3. Step 3: Cross multiply
    3,675,989.71x = 5,514,248.22 × 980,300.80
  4. Step 4: Simplify right side
    3,675,989.71x = 5,405,621,941,464.58
  5. Step 5: Solve for x
    x = 5,405,621,941,464.58/3,675,989.71
  6. Step 6: Final answer
    x = 1,470,521.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.