Home / 3,938,997.18-5,906,133.45-1,806,409.50

Finding the Fourth Proportional to 3,938,997.18, 5,906,133.45 and 1,806,409.50

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Solution

The fourth proportional to 3,938,997.18, 5,906,133.45 and 1,806,409.50 is: 2,708,530.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,997.18 : 5,906,133.45 = 1,806,409.50 : x
  2. Step 2: Convert to fraction form
    3,938,997.18/5,906,133.45 = 1,806,409.50/x
  3. Step 3: Cross multiply
    3,938,997.18x = 5,906,133.45 × 1,806,409.50
  4. Step 4: Simplify right side
    3,938,997.18x = 10,668,895,572,347.78
  5. Step 5: Solve for x
    x = 10,668,895,572,347.78/3,938,997.18
  6. Step 6: Final answer
    x = 2,708,530.90

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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.