Home / 2,869,387.20-4,304,080.80-2,653,118.40

Finding the Fourth Proportional to 2,869,387.20, 4,304,080.80 and 2,653,118.40

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Solution

The fourth proportional to 2,869,387.20, 4,304,080.80 and 2,653,118.40 is: 3,979,677.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869,387.20 : 4,304,080.80 = 2,653,118.40 : x
  2. Step 2: Convert to fraction form
    2,869,387.20/4,304,080.80 = 2,653,118.40/x
  3. Step 3: Cross multiply
    2,869,387.20x = 4,304,080.80 × 2,653,118.40
  4. Step 4: Simplify right side
    2,869,387.20x = 11,419,235,965,566.72
  5. Step 5: Solve for x
    x = 11,419,235,965,566.72/2,869,387.20
  6. Step 6: Final answer
    x = 3,979,677.60

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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.