Home / 2,875,680.40-4,313,520.60-854,236.30

Finding the Fourth Proportional to 2,875,680.40, 4,313,520.60 and 854,236.30

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Solution

The fourth proportional to 2,875,680.40, 4,313,520.60 and 854,236.30 is: 1,281,354.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875,680.40 : 4,313,520.60 = 854,236.30 : x
  2. Step 2: Convert to fraction form
    2,875,680.40/4,313,520.60 = 854,236.30/x
  3. Step 3: Cross multiply
    2,875,680.40x = 4,313,520.60 × 854,236.30
  4. Step 4: Simplify right side
    2,875,680.40x = 3,684,765,877,317.78
  5. Step 5: Solve for x
    x = 3,684,765,877,317.78/2,875,680.40
  6. Step 6: Final answer
    x = 1,281,354.45

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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.