Home / 2,431,885.70-3,356,015.47-1,329,318.61

Finding the Fourth Proportional to 2,431,885.70, 3,356,015.47 and 1,329,318.61

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Solution

The fourth proportional to 2,431,885.70, 3,356,015.47 and 1,329,318.61 is: 1,834,466.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431,885.70 : 3,356,015.47 = 1,329,318.61 : x
  2. Step 2: Convert to fraction form
    2,431,885.70/3,356,015.47 = 1,329,318.61/x
  3. Step 3: Cross multiply
    2,431,885.70x = 3,356,015.47 × 1,329,318.61
  4. Step 4: Simplify right side
    2,431,885.70x = 4,461,213,808,005.56
  5. Step 5: Solve for x
    x = 4,461,213,808,005.56/2,431,885.70
  6. Step 6: Final answer
    x = 1,834,466.89

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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.