Home / 2,986,839.40-4,479,740.70-1,092,605.80

Finding the Fourth Proportional to 2,986,839.40, 4,479,740.70 and 1,092,605.80

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Solution

The fourth proportional to 2,986,839.40, 4,479,740.70 and 1,092,605.80 is: 1,638,719.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,839.40 : 4,479,740.70 = 1,092,605.80 : x
  2. Step 2: Convert to fraction form
    2,986,839.40/4,479,740.70 = 1,092,605.80/x
  3. Step 3: Cross multiply
    2,986,839.40x = 4,479,740.70 × 1,092,605.80
  4. Step 4: Simplify right side
    2,986,839.40x = 4,894,590,671,316.06
  5. Step 5: Solve for x
    x = 4,894,590,671,316.06/2,986,839.40
  6. Step 6: Final answer
    x = 1,638,719.07

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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.