Home / 1,633,421.80-2,254,247.94-980,072.20

Finding the Fourth Proportional to 1,633,421.80, 2,254,247.94 and 980,072.20

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Solution

The fourth proportional to 1,633,421.80, 2,254,247.94 and 980,072.20 is: 1,352,575.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633,421.80 : 2,254,247.94 = 980,072.20 : x
  2. Step 2: Convert to fraction form
    1,633,421.80/2,254,247.94 = 980,072.20/x
  3. Step 3: Cross multiply
    1,633,421.80x = 2,254,247.94 × 980,072.20
  4. Step 4: Simplify right side
    1,633,421.80x = 2,209,325,737,901.27
  5. Step 5: Solve for x
    x = 2,209,325,737,901.27/1,633,421.80
  6. Step 6: Final answer
    x = 1,352,575.15

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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.