Home / 5,276,405.20-7,889,724.60-3,932,712.40

Finding the Fourth Proportional to 5,276,405.20, 7,889,724.60 and 3,932,712.40

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Solution

The fourth proportional to 5,276,405.20, 7,889,724.60 and 3,932,712.40 is: 5,880,522.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276,405.20 : 7,889,724.60 = 3,932,712.40 : x
  2. Step 2: Convert to fraction form
    5,276,405.20/7,889,724.60 = 3,932,712.40/x
  3. Step 3: Cross multiply
    5,276,405.20x = 7,889,724.60 × 3,932,712.40
  4. Step 4: Simplify right side
    5,276,405.20x = 31,028,017,767,005.04
  5. Step 5: Solve for x
    x = 31,028,017,767,005.04/5,276,405.20
  6. Step 6: Final answer
    x = 5,880,522.17

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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.