Home / 4,742,114.40-7,092,176.40-3,986,287.20

Finding the Fourth Proportional to 4,742,114.40, 7,092,176.40 and 3,986,287.20

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Solution

The fourth proportional to 4,742,114.40, 7,092,176.40 and 3,986,287.20 is: 5,961,781.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742,114.40 : 7,092,176.40 = 3,986,287.20 : x
  2. Step 2: Convert to fraction form
    4,742,114.40/7,092,176.40 = 3,986,287.20/x
  3. Step 3: Cross multiply
    4,742,114.40x = 7,092,176.40 × 3,986,287.20
  4. Step 4: Simplify right side
    4,742,114.40x = 28,271,452,003,462.08
  5. Step 5: Solve for x
    x = 28,271,452,003,462.08/4,742,114.40
  6. Step 6: Final answer
    x = 5,961,781.94

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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.