Home / 3,135,388.65-4,702,579.56-860,381.76

Finding the Fourth Proportional to 3,135,388.65, 4,702,579.56 and 860,381.76

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Solution

The fourth proportional to 3,135,388.65, 4,702,579.56 and 860,381.76 is: 1,290,434.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135,388.65 : 4,702,579.56 = 860,381.76 : x
  2. Step 2: Convert to fraction form
    3,135,388.65/4,702,579.56 = 860,381.76/x
  3. Step 3: Cross multiply
    3,135,388.65x = 4,702,579.56 × 860,381.76
  4. Step 4: Simplify right side
    3,135,388.65x = 4,046,013,678,372.83
  5. Step 5: Solve for x
    x = 4,046,013,678,372.83/3,135,388.65
  6. Step 6: Final answer
    x = 1,290,434.50

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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.