Home / 2,986,970-4,122,329.64-1,841,020.88

Finding the Fourth Proportional to 2,986,970, 4,122,329.64 and 1,841,020.88

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Solution

The fourth proportional to 2,986,970, 4,122,329.64 and 1,841,020.88 is: 2,540,800.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,970 : 4,122,329.64 = 1,841,020.88 : x
  2. Step 2: Convert to fraction form
    2,986,970/4,122,329.64 = 1,841,020.88/x
  3. Step 3: Cross multiply
    2,986,970x = 4,122,329.64 × 1,841,020.88
  4. Step 4: Simplify right side
    2,986,970x = 7,589,294,941,482.88
  5. Step 5: Solve for x
    x = 7,589,294,941,482.88/2,986,970
  6. Step 6: Final answer
    x = 2,540,800.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.