Home / 3,491,345.89-4,817,981.59-2,021,316.36

Finding the Fourth Proportional to 3,491,345.89, 4,817,981.59 and 2,021,316.36

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Solution

The fourth proportional to 3,491,345.89, 4,817,981.59 and 2,021,316.36 is: 2,789,372.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491,345.89 : 4,817,981.59 = 2,021,316.36 : x
  2. Step 2: Convert to fraction form
    3,491,345.89/4,817,981.59 = 2,021,316.36/x
  3. Step 3: Cross multiply
    3,491,345.89x = 4,817,981.59 × 2,021,316.36
  4. Step 4: Simplify right side
    3,491,345.89x = 9,738,665,010,045.81
  5. Step 5: Solve for x
    x = 9,738,665,010,045.81/3,491,345.89
  6. Step 6: Final answer
    x = 2,789,372.73

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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.