Home / 5,445,905.10-8,168,857.65-3,430,365.90

Finding the Fourth Proportional to 5,445,905.10, 8,168,857.65 and 3,430,365.90

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Solution

The fourth proportional to 5,445,905.10, 8,168,857.65 and 3,430,365.90 is: 5,145,548.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445,905.10 : 8,168,857.65 = 3,430,365.90 : x
  2. Step 2: Convert to fraction form
    5,445,905.10/8,168,857.65 = 3,430,365.90/x
  3. Step 3: Cross multiply
    5,445,905.10x = 8,168,857.65 × 3,430,365.90
  4. Step 4: Simplify right side
    5,445,905.10x = 28,022,170,724,514.14
  5. Step 5: Solve for x
    x = 28,022,170,724,514.14/5,445,905.10
  6. Step 6: Final answer
    x = 5,145,548.85

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Similar ratio
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1.5x scale

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.