Home / 3,526,830.20-5,290,245.30-867,438.20

Finding the Fourth Proportional to 3,526,830.20, 5,290,245.30 and 867,438.20

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Solution

The fourth proportional to 3,526,830.20, 5,290,245.30 and 867,438.20 is: 1,301,157.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526,830.20 : 5,290,245.30 = 867,438.20 : x
  2. Step 2: Convert to fraction form
    3,526,830.20/5,290,245.30 = 867,438.20/x
  3. Step 3: Cross multiply
    3,526,830.20x = 5,290,245.30 × 867,438.20
  4. Step 4: Simplify right side
    3,526,830.20x = 4,588,960,860,590.46
  5. Step 5: Solve for x
    x = 4,588,960,860,590.46/3,526,830.20
  6. Step 6: Final answer
    x = 1,301,157.30

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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.