Finding the Fourth Proportional to 5,137,612.64, 7,090,138.86 and 2,845,773.08
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Solution
The fourth proportional to 5,137,612.64, 7,090,138.86 and 2,845,773.08 is: 3,927,296.14
Step by Step Solution
- Step 1: Write the proportion equation
5,137,612.64 : 7,090,138.86 = 2,845,773.08 : x - Step 2: Convert to fraction form
5,137,612.64/7,090,138.86 = 2,845,773.08/x - Step 3: Cross multiply
5,137,612.64x = 7,090,138.86 × 2,845,773.08 - Step 4: Simplify right side
5,137,612.64x = 20,176,926,301,249.89 - Step 5: Solve for x
x = 20,176,926,301,249.89/5,137,612.64 - Step 6: Final answer
x = 3,927,296.14
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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.