Home / 5,276,403.20-7,889,721.60-3,932,710.40

Finding the Fourth Proportional to 5,276,403.20, 7,889,721.60 and 3,932,710.40

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Solution

The fourth proportional to 5,276,403.20, 7,889,721.60 and 3,932,710.40 is: 5,880,519.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276,403.20 : 7,889,721.60 = 3,932,710.40 : x
  2. Step 2: Convert to fraction form
    5,276,403.20/7,889,721.60 = 3,932,710.40/x
  3. Step 3: Cross multiply
    5,276,403.20x = 7,889,721.60 × 3,932,710.40
  4. Step 4: Simplify right side
    5,276,403.20x = 31,027,990,189,424.64
  5. Step 5: Solve for x
    x = 31,027,990,189,424.64/5,276,403.20
  6. Step 6: Final answer
    x = 5,880,519.17

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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.