Home / 2,111,855.31-3,168,724.58-974,005.38

Finding the Fourth Proportional to 2,111,855.31, 3,168,724.58 and 974,005.38

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Solution

The fourth proportional to 2,111,855.31, 3,168,724.58 and 974,005.38 is: 1,461,442.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111,855.31 : 3,168,724.58 = 974,005.38 : x
  2. Step 2: Convert to fraction form
    2,111,855.31/3,168,724.58 = 974,005.38/x
  3. Step 3: Cross multiply
    2,111,855.31x = 3,168,724.58 × 974,005.38
  4. Step 4: Simplify right side
    2,111,855.31x = 3,086,354,775,249.63
  5. Step 5: Solve for x
    x = 3,086,354,775,249.63/2,111,855.31
  6. Step 6: Final answer
    x = 1,461,442.35

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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.