Home / 3,042,492-4,198,479.30-1,665,571.74

Finding the Fourth Proportional to 3,042,492, 4,198,479.30 and 1,665,571.74

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Solution

The fourth proportional to 3,042,492, 4,198,479.30 and 1,665,571.74 is: 2,298,401.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042,492 : 4,198,479.30 = 1,665,571.74 : x
  2. Step 2: Convert to fraction form
    3,042,492/4,198,479.30 = 1,665,571.74/x
  3. Step 3: Cross multiply
    3,042,492x = 4,198,479.30 × 1,665,571.74
  4. Step 4: Simplify right side
    3,042,492x = 6,992,868,473,054.98
  5. Step 5: Solve for x
    x = 6,992,868,473,054.98/3,042,492
  6. Step 6: Final answer
    x = 2,298,401.60

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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.