Home / 3,079,874.34-4,249,558.89-1,721,700.90

Finding the Fourth Proportional to 3,079,874.34, 4,249,558.89 and 1,721,700.90

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Solution

The fourth proportional to 3,079,874.34, 4,249,558.89 and 1,721,700.90 is: 2,375,573.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079,874.34 : 4,249,558.89 = 1,721,700.90 : x
  2. Step 2: Convert to fraction form
    3,079,874.34/4,249,558.89 = 1,721,700.90/x
  3. Step 3: Cross multiply
    3,079,874.34x = 4,249,558.89 × 1,721,700.90
  4. Step 4: Simplify right side
    3,079,874.34x = 7,316,469,365,516
  5. Step 5: Solve for x
    x = 7,316,469,365,516/3,079,874.34
  6. Step 6: Final answer
    x = 2,375,573.99

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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.