Finding the Fourth Proportional to 3,160,778.91, 4,739,248.41 and 1,239,388.26
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Solution
The fourth proportional to 3,160,778.91, 4,739,248.41 and 1,239,388.26 is: 1,858,329.54
Step by Step Solution
- Step 1: Write the proportion equation
3,160,778.91 : 4,739,248.41 = 1,239,388.26 : x - Step 2: Convert to fraction form
3,160,778.91/4,739,248.41 = 1,239,388.26/x - Step 3: Cross multiply
3,160,778.91x = 4,739,248.41 × 1,239,388.26 - Step 4: Simplify right side
3,160,778.91x = 5,873,768,816,881.42 - Step 5: Solve for x
x = 5,873,768,816,881.42/3,160,778.91 - Step 6: Final answer
x = 1,858,329.54
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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.