Home / 5,259,920.40-7,889,880.60-3,020,432.40

Finding the Fourth Proportional to 5,259,920.40, 7,889,880.60 and 3,020,432.40

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Solution

The fourth proportional to 5,259,920.40, 7,889,880.60 and 3,020,432.40 is: 4,530,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259,920.40 : 7,889,880.60 = 3,020,432.40 : x
  2. Step 2: Convert to fraction form
    5,259,920.40/7,889,880.60 = 3,020,432.40/x
  3. Step 3: Cross multiply
    5,259,920.40x = 7,889,880.60 × 3,020,432.40
  4. Step 4: Simplify right side
    5,259,920.40x = 23,830,850,996,371.44
  5. Step 5: Solve for x
    x = 23,830,850,996,371.44/5,259,920.40
  6. Step 6: Final answer
    x = 4,530,648.60

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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.