Home / 3,778,690.40-5,668,035.60-1,536,437.60

Finding the Fourth Proportional to 3,778,690.40, 5,668,035.60 and 1,536,437.60

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Solution

The fourth proportional to 3,778,690.40, 5,668,035.60 and 1,536,437.60 is: 2,304,656.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,690.40 : 5,668,035.60 = 1,536,437.60 : x
  2. Step 2: Convert to fraction form
    3,778,690.40/5,668,035.60 = 1,536,437.60/x
  3. Step 3: Cross multiply
    3,778,690.40x = 5,668,035.60 × 1,536,437.60
  4. Step 4: Simplify right side
    3,778,690.40x = 8,708,583,013,978.56
  5. Step 5: Solve for x
    x = 8,708,583,013,978.56/3,778,690.40
  6. Step 6: Final answer
    x = 2,304,656.40

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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.