Home / 2,985,166.38-4,120,117.65-2,079,223.50

Finding the Fourth Proportional to 2,985,166.38, 4,120,117.65 and 2,079,223.50

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Solution

The fourth proportional to 2,985,166.38, 4,120,117.65 and 2,079,223.50 is: 2,869,738.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985,166.38 : 4,120,117.65 = 2,079,223.50 : x
  2. Step 2: Convert to fraction form
    2,985,166.38/4,120,117.65 = 2,079,223.50/x
  3. Step 3: Cross multiply
    2,985,166.38x = 4,120,117.65 × 2,079,223.50
  4. Step 4: Simplify right side
    2,985,166.38x = 8,566,645,440,644.78
  5. Step 5: Solve for x
    x = 8,566,645,440,644.78/2,985,166.38
  6. Step 6: Final answer
    x = 2,869,738.01

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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.