Home / 3,079,833.84-4,249,503-1,721,660.40

Finding the Fourth Proportional to 3,079,833.84, 4,249,503 and 1,721,660.40

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Solution

The fourth proportional to 3,079,833.84, 4,249,503 and 1,721,660.40 is: 2,375,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079,833.84 : 4,249,503 = 1,721,660.40 : x
  2. Step 2: Convert to fraction form
    3,079,833.84/4,249,503 = 1,721,660.40/x
  3. Step 3: Cross multiply
    3,079,833.84x = 4,249,503 × 1,721,660.40
  4. Step 4: Simplify right side
    3,079,833.84x = 7,316,201,034,781.20
  5. Step 5: Solve for x
    x = 7,316,201,034,781.20/3,079,833.84
  6. Step 6: Final answer
    x = 2,375,518.10

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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.