Home / 2,806,492.70-4,210,180.24-912,791.28

Finding the Fourth Proportional to 2,806,492.70, 4,210,180.24 and 912,791.28

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Solution

The fourth proportional to 2,806,492.70, 4,210,180.24 and 912,791.28 is: 1,369,330.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,806,492.70 : 4,210,180.24 = 912,791.28 : x
  2. Step 2: Convert to fraction form
    2,806,492.70/4,210,180.24 = 912,791.28/x
  3. Step 3: Cross multiply
    2,806,492.70x = 4,210,180.24 × 912,791.28
  4. Step 4: Simplify right side
    2,806,492.70x = 3,843,015,810,300.31
  5. Step 5: Solve for x
    x = 3,843,015,810,300.31/2,806,492.70
  6. Step 6: Final answer
    x = 1,369,330.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.