Home / 5,315,982.80-7,981,847.40-4,119,256.40

Finding the Fourth Proportional to 5,315,982.80, 7,981,847.40 and 4,119,256.40

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Solution

The fourth proportional to 5,315,982.80, 7,981,847.40 and 4,119,256.40 is: 6,184,985.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315,982.80 : 7,981,847.40 = 4,119,256.40 : x
  2. Step 2: Convert to fraction form
    5,315,982.80/7,981,847.40 = 4,119,256.40/x
  3. Step 3: Cross multiply
    5,315,982.80x = 7,981,847.40 × 4,119,256.40
  4. Step 4: Simplify right side
    5,315,982.80x = 32,879,275,986,273.36
  5. Step 5: Solve for x
    x = 32,879,275,986,273.36/5,315,982.80
  6. Step 6: Final answer
    x = 6,184,985.40

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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.