Home / 3,135,312.20-4,702,114.51-860,297.20

Finding the Fourth Proportional to 3,135,312.20, 4,702,114.51 and 860,297.20

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Solution

The fourth proportional to 3,135,312.20, 4,702,114.51 and 860,297.20 is: 1,290,211.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135,312.20 : 4,702,114.51 = 860,297.20 : x
  2. Step 2: Convert to fraction form
    3,135,312.20/4,702,114.51 = 860,297.20/x
  3. Step 3: Cross multiply
    3,135,312.20x = 4,702,114.51 × 860,297.20
  4. Step 4: Simplify right side
    3,135,312.20x = 4,045,215,933,126.34
  5. Step 5: Solve for x
    x = 4,045,215,933,126.34/3,135,312.20
  6. Step 6: Final answer
    x = 1,290,211.52

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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.