Finding the Fourth Proportional to 5,477,781.15, 7,557,979.86 and 3,541,712.06
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Solution
The fourth proportional to 5,477,781.15, 7,557,979.86 and 3,541,712.06 is: 4,886,684.54
Step by Step Solution
- Step 1: Write the proportion equation
5,477,781.15 : 7,557,979.86 = 3,541,712.06 : x - Step 2: Convert to fraction form
5,477,781.15/7,557,979.86 = 3,541,712.06/x - Step 3: Cross multiply
5,477,781.15x = 7,557,979.86 × 3,541,712.06 - Step 4: Simplify right side
5,477,781.15x = 26,768,188,438,294.06 - Step 5: Solve for x
x = 26,768,188,438,294.06/5,477,781.15 - Step 6: Final answer
x = 4,886,684.54
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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.