Finding the Fourth Proportional to 4,691,177.75, 6,473,781.55 and 2,653,987.25
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Solution
The fourth proportional to 4,691,177.75, 6,473,781.55 and 2,653,987.25 is: 3,662,477.66
Step by Step Solution
- Step 1: Write the proportion equation
4,691,177.75 : 6,473,781.55 = 2,653,987.25 : x - Step 2: Convert to fraction form
4,691,177.75/6,473,781.55 = 2,653,987.25/x - Step 3: Cross multiply
4,691,177.75x = 6,473,781.55 × 2,653,987.25 - Step 4: Simplify right side
4,691,177.75x = 17,181,333,692,985.24 - Step 5: Solve for x
x = 17,181,333,692,985.24/4,691,177.75 - Step 6: Final answer
x = 3,662,477.66
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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.