Home / 3,938,902.08-5,905,990.08-1,806,314.88

Finding the Fourth Proportional to 3,938,902.08, 5,905,990.08 and 1,806,314.88

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Solution

The fourth proportional to 3,938,902.08, 5,905,990.08 and 1,806,314.88 is: 2,708,388.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,902.08 : 5,905,990.08 = 1,806,314.88 : x
  2. Step 2: Convert to fraction form
    3,938,902.08/5,905,990.08 = 1,806,314.88/x
  3. Step 3: Cross multiply
    3,938,902.08x = 5,905,990.08 × 1,806,314.88
  4. Step 4: Simplify right side
    3,938,902.08x = 10,668,077,762,636.39
  5. Step 5: Solve for x
    x = 10,668,077,762,636.39/3,938,902.08
  6. Step 6: Final answer
    x = 2,708,388.67

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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.