Home / 3,421,549.38-4,721,957.33-1,971,218.46

Finding the Fourth Proportional to 3,421,549.38, 4,721,957.33 and 1,971,218.46

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Solution

The fourth proportional to 3,421,549.38, 4,721,957.33 and 1,971,218.46 is: 2,720,407.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421,549.38 : 4,721,957.33 = 1,971,218.46 : x
  2. Step 2: Convert to fraction form
    3,421,549.38/4,721,957.33 = 1,971,218.46/x
  3. Step 3: Cross multiply
    3,421,549.38x = 4,721,957.33 × 1,971,218.46
  4. Step 4: Simplify right side
    3,421,549.38x = 9,308,009,443,062.60
  5. Step 5: Solve for x
    x = 9,308,009,443,062.60/3,421,549.38
  6. Step 6: Final answer
    x = 2,720,407.75

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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.