Home / 5,456,692.83-8,185,880.01-1,861,621.74

Finding the Fourth Proportional to 5,456,692.83, 8,185,880.01 and 1,861,621.74

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Solution

The fourth proportional to 5,456,692.83, 8,185,880.01 and 1,861,621.74 is: 2,792,719.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456,692.83 : 8,185,880.01 = 1,861,621.74 : x
  2. Step 2: Convert to fraction form
    5,456,692.83/8,185,880.01 = 1,861,621.74/x
  3. Step 3: Cross multiply
    5,456,692.83x = 8,185,880.01 × 1,861,621.74
  4. Step 4: Simplify right side
    5,456,692.83x = 15,239,012,187,647.42
  5. Step 5: Solve for x
    x = 15,239,012,187,647.42/5,456,692.83
  6. Step 6: Final answer
    x = 2,792,719.45

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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.