Finding the Fourth Proportional to 5,113,832.48, 7,056,980.03 and 2,790,647.99
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Solution
The fourth proportional to 5,113,832.48, 7,056,980.03 and 2,790,647.99 is: 3,851,034.86
Step by Step Solution
- Step 1: Write the proportion equation
5,113,832.48 : 7,056,980.03 = 2,790,647.99 : x - Step 2: Convert to fraction form
5,113,832.48/7,056,980.03 = 2,790,647.99/x - Step 3: Cross multiply
5,113,832.48x = 7,056,980.03 × 2,790,647.99 - Step 4: Simplify right side
5,113,832.48x = 19,693,547,136,189.64 - Step 5: Solve for x
x = 19,693,547,136,189.64/5,113,832.48 - Step 6: Final answer
x = 3,851,034.86
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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.