Home / 2,720,419.20-4,080,628.80-2,300,515.20

Finding the Fourth Proportional to 2,720,419.20, 4,080,628.80 and 2,300,515.20

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Solution

The fourth proportional to 2,720,419.20, 4,080,628.80 and 2,300,515.20 is: 3,450,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,419.20 : 4,080,628.80 = 2,300,515.20 : x
  2. Step 2: Convert to fraction form
    2,720,419.20/4,080,628.80 = 2,300,515.20/x
  3. Step 3: Cross multiply
    2,720,419.20x = 4,080,628.80 × 2,300,515.20
  4. Step 4: Simplify right side
    2,720,419.20x = 9,387,548,579,957.76
  5. Step 5: Solve for x
    x = 9,387,548,579,957.76/2,720,419.20
  6. Step 6: Final answer
    x = 3,450,772.80

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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.