Home / 3,938,713.92-5,905,708.56-1,806,126.48

Finding the Fourth Proportional to 3,938,713.92, 5,905,708.56 and 1,806,126.48

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Solution

The fourth proportional to 3,938,713.92, 5,905,708.56 and 1,806,126.48 is: 2,708,106.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,713.92 : 5,905,708.56 = 1,806,126.48 : x
  2. Step 2: Convert to fraction form
    3,938,713.92/5,905,708.56 = 1,806,126.48/x
  3. Step 3: Cross multiply
    3,938,713.92x = 5,905,708.56 × 1,806,126.48
  4. Step 4: Simplify right side
    3,938,713.92x = 10,666,456,613,378.67
  5. Step 5: Solve for x
    x = 10,666,456,613,378.67/3,938,713.92
  6. Step 6: Final answer
    x = 2,708,106.46

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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.