Home / 3,119,971.14-4,679,956.78-845,495.44

Finding the Fourth Proportional to 3,119,971.14, 4,679,956.78 and 845,495.44

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Solution

The fourth proportional to 3,119,971.14, 4,679,956.78 and 845,495.44 is: 1,268,243.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,971.14 : 4,679,956.78 = 845,495.44 : x
  2. Step 2: Convert to fraction form
    3,119,971.14/4,679,956.78 = 845,495.44/x
  3. Step 3: Cross multiply
    3,119,971.14x = 4,679,956.78 × 845,495.44
  4. Step 4: Simplify right side
    3,119,971.14x = 3,956,882,116,887.08
  5. Step 5: Solve for x
    x = 3,956,882,116,887.08/3,119,971.14
  6. Step 6: Final answer
    x = 1,268,243.18

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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.