Home / 3,105,316.23-4,285,290.16-1,728,657.44

Finding the Fourth Proportional to 3,105,316.23, 4,285,290.16 and 1,728,657.44

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Solution

The fourth proportional to 3,105,316.23, 4,285,290.16 and 1,728,657.44 is: 2,385,521.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,316.23 : 4,285,290.16 = 1,728,657.44 : x
  2. Step 2: Convert to fraction form
    3,105,316.23/4,285,290.16 = 1,728,657.44/x
  3. Step 3: Cross multiply
    3,105,316.23x = 4,285,290.16 × 1,728,657.44
  4. Step 4: Simplify right side
    3,105,316.23x = 7,407,798,717,642.79
  5. Step 5: Solve for x
    x = 7,407,798,717,642.79/3,105,316.23
  6. Step 6: Final answer
    x = 2,385,521.53

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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.