Home / 6,438,399.60-9,657,599.40-1,950,898.80

Finding the Fourth Proportional to 6,438,399.60, 9,657,599.40 and 1,950,898.80

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Solution

The fourth proportional to 6,438,399.60, 9,657,599.40 and 1,950,898.80 is: 2,926,348.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438,399.60 : 9,657,599.40 = 1,950,898.80 : x
  2. Step 2: Convert to fraction form
    6,438,399.60/9,657,599.40 = 1,950,898.80/x
  3. Step 3: Cross multiply
    6,438,399.60x = 9,657,599.40 × 1,950,898.80
  4. Step 4: Simplify right side
    6,438,399.60x = 18,840,999,080,340.72
  5. Step 5: Solve for x
    x = 18,840,999,080,340.72/6,438,399.60
  6. Step 6: Final answer
    x = 2,926,348.20

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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.