Home / 3,997,950.90-5,517,302.67-2,187,114.90

Finding the Fourth Proportional to 3,997,950.90, 5,517,302.67 and 2,187,114.90

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Solution

The fourth proportional to 3,997,950.90, 5,517,302.67 and 2,187,114.90 is: 3,018,289.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997,950.90 : 5,517,302.67 = 2,187,114.90 : x
  2. Step 2: Convert to fraction form
    3,997,950.90/5,517,302.67 = 2,187,114.90/x
  3. Step 3: Cross multiply
    3,997,950.90x = 5,517,302.67 × 2,187,114.90
  4. Step 4: Simplify right side
    3,997,950.90x = 12,066,974,877,366.78
  5. Step 5: Solve for x
    x = 12,066,974,877,366.78/3,997,950.90
  6. Step 6: Final answer
    x = 3,018,289.91

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1.5x scale

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.