Home / 1,842,891.40-2,764,337.10-1,819,271.80

Finding the Fourth Proportional to 1,842,891.40, 2,764,337.10 and 1,819,271.80

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Solution

The fourth proportional to 1,842,891.40, 2,764,337.10 and 1,819,271.80 is: 2,728,907.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842,891.40 : 2,764,337.10 = 1,819,271.80 : x
  2. Step 2: Convert to fraction form
    1,842,891.40/2,764,337.10 = 1,819,271.80/x
  3. Step 3: Cross multiply
    1,842,891.40x = 2,764,337.10 × 1,819,271.80
  4. Step 4: Simplify right side
    1,842,891.40x = 5,029,080,531,723.78
  5. Step 5: Solve for x
    x = 5,029,080,531,723.78/1,842,891.40
  6. Step 6: Final answer
    x = 2,728,907.70

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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.