Home / 1,929,134.82-2,893,703.48-489,926.16

Finding the Fourth Proportional to 1,929,134.82, 2,893,703.48 and 489,926.16

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Solution

The fourth proportional to 1,929,134.82, 2,893,703.48 and 489,926.16 is: 734,889.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,134.82 : 2,893,703.48 = 489,926.16 : x
  2. Step 2: Convert to fraction form
    1,929,134.82/2,893,703.48 = 489,926.16/x
  3. Step 3: Cross multiply
    1,929,134.82x = 2,893,703.48 × 489,926.16
  4. Step 4: Simplify right side
    1,929,134.82x = 1,417,701,031,685.41
  5. Step 5: Solve for x
    x = 1,417,701,031,685.41/1,929,134.82
  6. Step 6: Final answer
    x = 734,889.56

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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.