Home / 2,479,783.61-3,421,123.44-1,432,512.66

Finding the Fourth Proportional to 2,479,783.61, 3,421,123.44 and 1,432,512.66

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Solution

The fourth proportional to 2,479,783.61, 3,421,123.44 and 1,432,512.66 is: 1,976,302.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479,783.61 : 3,421,123.44 = 1,432,512.66 : x
  2. Step 2: Convert to fraction form
    2,479,783.61/3,421,123.44 = 1,432,512.66/x
  3. Step 3: Cross multiply
    2,479,783.61x = 3,421,123.44 × 1,432,512.66
  4. Step 4: Simplify right side
    2,479,783.61x = 4,900,802,639,222.75
  5. Step 5: Solve for x
    x = 4,900,802,639,222.75/2,479,783.61
  6. Step 6: Final answer
    x = 1,976,302.54

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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.