Home / 3,110,848.80-4,665,697.20-866,522.40

Finding the Fourth Proportional to 3,110,848.80, 4,665,697.20 and 866,522.40

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Solution

The fourth proportional to 3,110,848.80, 4,665,697.20 and 866,522.40 is: 1,299,623.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110,848.80 : 4,665,697.20 = 866,522.40 : x
  2. Step 2: Convert to fraction form
    3,110,848.80/4,665,697.20 = 866,522.40/x
  3. Step 3: Cross multiply
    3,110,848.80x = 4,665,697.20 × 866,522.40
  4. Step 4: Simplify right side
    3,110,848.80x = 4,042,931,135,417.28
  5. Step 5: Solve for x
    x = 4,042,931,135,417.28/3,110,848.80
  6. Step 6: Final answer
    x = 1,299,623.16

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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.