Home / 4,315,573.20-6,475,692.60-1,919,787.60

Finding the Fourth Proportional to 4,315,573.20, 6,475,692.60 and 1,919,787.60

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Solution

The fourth proportional to 4,315,573.20, 6,475,692.60 and 1,919,787.60 is: 2,880,719.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,315,573.20 : 6,475,692.60 = 1,919,787.60 : x
  2. Step 2: Convert to fraction form
    4,315,573.20/6,475,692.60 = 1,919,787.60/x
  3. Step 3: Cross multiply
    4,315,573.20x = 6,475,692.60 × 1,919,787.60
  4. Step 4: Simplify right side
    4,315,573.20x = 12,431,954,354,891.76
  5. Step 5: Solve for x
    x = 12,431,954,354,891.76/4,315,573.20
  6. Step 6: Final answer
    x = 2,880,719.15

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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.