Home / 2,020,579.20-3,030,212.70-672,512.40

Finding the Fourth Proportional to 2,020,579.20, 3,030,212.70 and 672,512.40

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Solution

The fourth proportional to 2,020,579.20, 3,030,212.70 and 672,512.40 is: 1,008,550.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,579.20 : 3,030,212.70 = 672,512.40 : x
  2. Step 2: Convert to fraction form
    2,020,579.20/3,030,212.70 = 672,512.40/x
  3. Step 3: Cross multiply
    2,020,579.20x = 3,030,212.70 × 672,512.40
  4. Step 4: Simplify right side
    2,020,579.20x = 2,037,855,615,387.48
  5. Step 5: Solve for x
    x = 2,037,855,615,387.48/2,020,579.20
  6. Step 6: Final answer
    x = 1,008,550.23

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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.