Finding the Fourth Proportional to 4,651,074.54, 6,417,040.32 and 2,715,939.18
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Solution
The fourth proportional to 4,651,074.54, 6,417,040.32 and 2,715,939.18 is: 3,747,153.71
Step by Step Solution
- Step 1: Write the proportion equation
4,651,074.54 : 6,417,040.32 = 2,715,939.18 : x - Step 2: Convert to fraction form
4,651,074.54/6,417,040.32 = 2,715,939.18/x - Step 3: Cross multiply
4,651,074.54x = 6,417,040.32 × 2,715,939.18 - Step 4: Simplify right side
4,651,074.54x = 17,428,291,224,727.74 - Step 5: Solve for x
x = 17,428,291,224,727.74/4,651,074.54 - Step 6: Final answer
x = 3,747,153.71
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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.