Home / 6,478,631.56-8,940,579.06-3,578,096.08

Finding the Fourth Proportional to 6,478,631.56, 8,940,579.06 and 3,578,096.08

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Solution

The fourth proportional to 6,478,631.56, 8,940,579.06 and 3,578,096.08 is: 4,937,809.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,478,631.56 : 8,940,579.06 = 3,578,096.08 : x
  2. Step 2: Convert to fraction form
    6,478,631.56/8,940,579.06 = 3,578,096.08/x
  3. Step 3: Cross multiply
    6,478,631.56x = 8,940,579.06 × 3,578,096.08
  4. Step 4: Simplify right side
    6,478,631.56x = 31,990,250,887,516.09
  5. Step 5: Solve for x
    x = 31,990,250,887,516.09/6,478,631.56
  6. Step 6: Final answer
    x = 4,937,809.87

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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.