Home / 2,588,938.80-3,882,241.80-990,970.80

Finding the Fourth Proportional to 2,588,938.80, 3,882,241.80 and 990,970.80

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Solution

The fourth proportional to 2,588,938.80, 3,882,241.80 and 990,970.80 is: 1,486,009.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588,938.80 : 3,882,241.80 = 990,970.80 : x
  2. Step 2: Convert to fraction form
    2,588,938.80/3,882,241.80 = 990,970.80/x
  3. Step 3: Cross multiply
    2,588,938.80x = 3,882,241.80 × 990,970.80
  4. Step 4: Simplify right side
    2,588,938.80x = 3,847,188,262,339.44
  5. Step 5: Solve for x
    x = 3,847,188,262,339.44/2,588,938.80
  6. Step 6: Final answer
    x = 1,486,009.74

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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.