Finding the Fourth Proportional to 3,418,641.50, 5,126,068.96 and 1,398,304.26
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Solution
The fourth proportional to 3,418,641.50, 5,126,068.96 and 1,398,304.26 is: 2,096,681.99
Step by Step Solution
- Step 1: Write the proportion equation
3,418,641.50 : 5,126,068.96 = 1,398,304.26 : x - Step 2: Convert to fraction form
3,418,641.50/5,126,068.96 = 1,398,304.26/x - Step 3: Cross multiply
3,418,641.50x = 5,126,068.96 × 1,398,304.26 - Step 4: Simplify right side
3,418,641.50x = 7,167,804,060,326.01 - Step 5: Solve for x
x = 7,167,804,060,326.01/3,418,641.50 - Step 6: Final answer
x = 2,096,681.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.