Finding the Fourth Proportional to 5,064,616.73, 6,989,836.68 and 2,888,661.08
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Solution
The fourth proportional to 5,064,616.73, 6,989,836.68 and 2,888,661.08 is: 3,986,731.92
Step by Step Solution
- Step 1: Write the proportion equation
5,064,616.73 : 6,989,836.68 = 2,888,661.08 : x - Step 2: Convert to fraction form
5,064,616.73/6,989,836.68 = 2,888,661.08/x - Step 3: Cross multiply
5,064,616.73x = 6,989,836.68 × 2,888,661.08 - Step 4: Simplify right side
5,064,616.73x = 20,191,269,190,547.00 - Step 5: Solve for x
x = 20,191,269,190,547.00/5,064,616.73 - Step 6: Final answer
x = 3,986,731.92
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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.