Home / 2,990,975.60-4,486,463.40-1,927,218.80

Finding the Fourth Proportional to 2,990,975.60, 4,486,463.40 and 1,927,218.80

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Solution

The fourth proportional to 2,990,975.60, 4,486,463.40 and 1,927,218.80 is: 2,890,828.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,975.60 : 4,486,463.40 = 1,927,218.80 : x
  2. Step 2: Convert to fraction form
    2,990,975.60/4,486,463.40 = 1,927,218.80/x
  3. Step 3: Cross multiply
    2,990,975.60x = 4,486,463.40 × 1,927,218.80
  4. Step 4: Simplify right side
    2,990,975.60x = 8,646,396,609,991.92
  5. Step 5: Solve for x
    x = 8,646,396,609,991.92/2,990,975.60
  6. Step 6: Final answer
    x = 2,890,828.20

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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.