Home / 6,890,610.06-9,508,492.26-3,990,188.79

Finding the Fourth Proportional to 6,890,610.06, 9,508,492.26 and 3,990,188.79

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Solution

The fourth proportional to 6,890,610.06, 9,508,492.26 and 3,990,188.79 is: 5,506,142.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890,610.06 : 9,508,492.26 = 3,990,188.79 : x
  2. Step 2: Convert to fraction form
    6,890,610.06/9,508,492.26 = 3,990,188.79/x
  3. Step 3: Cross multiply
    6,890,610.06x = 9,508,492.26 × 3,990,188.79
  4. Step 4: Simplify right side
    6,890,610.06x = 37,940,679,225,653.77
  5. Step 5: Solve for x
    x = 37,940,679,225,653.77/6,890,610.06
  6. Step 6: Final answer
    x = 5,506,142.26

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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.