Home / 2,740,505.40-4,110,758.10-847,438.20

Finding the Fourth Proportional to 2,740,505.40, 4,110,758.10 and 847,438.20

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Solution

The fourth proportional to 2,740,505.40, 4,110,758.10 and 847,438.20 is: 1,271,157.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740,505.40 : 4,110,758.10 = 847,438.20 : x
  2. Step 2: Convert to fraction form
    2,740,505.40/4,110,758.10 = 847,438.20/x
  3. Step 3: Cross multiply
    2,740,505.40x = 4,110,758.10 × 847,438.20
  4. Step 4: Simplify right side
    2,740,505.40x = 3,483,613,444,899.42
  5. Step 5: Solve for x
    x = 3,483,613,444,899.42/2,740,505.40
  6. Step 6: Final answer
    x = 1,271,157.30

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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.