Finding the Fourth Proportional to 3,121,248.44, 4,681,872.48 and 877,386.44
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Solution
The fourth proportional to 3,121,248.44, 4,681,872.48 and 877,386.44 is: 1,316,079.61
Step by Step Solution
- Step 1: Write the proportion equation
3,121,248.44 : 4,681,872.48 = 877,386.44 : x - Step 2: Convert to fraction form
3,121,248.44/4,681,872.48 = 877,386.44/x - Step 3: Cross multiply
3,121,248.44x = 4,681,872.48 × 877,386.44 - Step 4: Simplify right side
3,121,248.44x = 4,107,811,427,761.17 - Step 5: Solve for x
x = 4,107,811,427,761.17/3,121,248.44 - Step 6: Final answer
x = 1,316,079.61
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1.5x scale
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.