Home / 3,036,319.05-4,188,461.88-1,947,378.94

Finding the Fourth Proportional to 3,036,319.05, 4,188,461.88 and 1,947,378.94

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Solution

The fourth proportional to 3,036,319.05, 4,188,461.88 and 1,947,378.94 is: 2,686,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036,319.05 : 4,188,461.88 = 1,947,378.94 : x
  2. Step 2: Convert to fraction form
    3,036,319.05/4,188,461.88 = 1,947,378.94/x
  3. Step 3: Cross multiply
    3,036,319.05x = 4,188,461.88 × 1,947,378.94
  4. Step 4: Simplify right side
    3,036,319.05x = 8,156,522,456,104.81
  5. Step 5: Solve for x
    x = 8,156,522,456,104.81/3,036,319.05
  6. Step 6: Final answer
    x = 2,686,319.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.