Home / 3,865,990.65-5,335,133.13-2,123,733.51

Finding the Fourth Proportional to 3,865,990.65, 5,335,133.13 and 2,123,733.51

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Solution

The fourth proportional to 3,865,990.65, 5,335,133.13 and 2,123,733.51 is: 2,930,788.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865,990.65 : 5,335,133.13 = 2,123,733.51 : x
  2. Step 2: Convert to fraction form
    3,865,990.65/5,335,133.13 = 2,123,733.51/x
  3. Step 3: Cross multiply
    3,865,990.65x = 5,335,133.13 × 2,123,733.51
  4. Step 4: Simplify right side
    3,865,990.65x = 11,330,401,008,492.19
  5. Step 5: Solve for x
    x = 11,330,401,008,492.19/3,865,990.65
  6. Step 6: Final answer
    x = 2,930,788.52

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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.