Home / 2,101,608.96-3,152,885.04-642,782.94

Finding the Fourth Proportional to 2,101,608.96, 3,152,885.04 and 642,782.94

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Solution

The fourth proportional to 2,101,608.96, 3,152,885.04 and 642,782.94 is: 964,318.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,608.96 : 3,152,885.04 = 642,782.94 : x
  2. Step 2: Convert to fraction form
    2,101,608.96/3,152,885.04 = 642,782.94/x
  3. Step 3: Cross multiply
    2,101,608.96x = 3,152,885.04 × 642,782.94
  4. Step 4: Simplify right side
    2,101,608.96x = 2,026,620,715,493.22
  5. Step 5: Solve for x
    x = 2,026,620,715,493.22/2,101,608.96
  6. Step 6: Final answer
    x = 964,318.65

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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.