Home / 3,178,950.23-4,398,503.29-2,771,900.33

Finding the Fourth Proportional to 3,178,950.23, 4,398,503.29 and 2,771,900.33

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Solution

The fourth proportional to 3,178,950.23, 4,398,503.29 and 2,771,900.33 is: 3,835,295.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,950.23 : 4,398,503.29 = 2,771,900.33 : x
  2. Step 2: Convert to fraction form
    3,178,950.23/4,398,503.29 = 2,771,900.33/x
  3. Step 3: Cross multiply
    3,178,950.23x = 4,398,503.29 × 2,771,900.33
  4. Step 4: Simplify right side
    3,178,950.23x = 12,192,212,692,134.82
  5. Step 5: Solve for x
    x = 12,192,212,692,134.82/3,178,950.23
  6. Step 6: Final answer
    x = 3,835,295.24

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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.