Finding the Fourth Proportional to 3,615,958, 4,989,658.62 and 2,165,616.28
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Solution
The fourth proportional to 3,615,958, 4,989,658.62 and 2,165,616.28 is: 2,988,332.81
Step by Step Solution
- Step 1: Write the proportion equation
3,615,958 : 4,989,658.62 = 2,165,616.28 : x - Step 2: Convert to fraction form
3,615,958/4,989,658.62 = 2,165,616.28/x - Step 3: Cross multiply
3,615,958x = 4,989,658.62 × 2,165,616.28 - Step 4: Simplify right side
3,615,958x = 10,805,685,939,114.33 - Step 5: Solve for x
x = 10,805,685,939,114.33/3,615,958 - Step 6: Final answer
x = 2,988,332.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.