Finding the Fourth Proportional to 4,706,877.11, 7,053,641.21 and 1,971,476.84
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Solution
The fourth proportional to 4,706,877.11, 7,053,641.21 and 1,971,476.84 is: 2,954,419.66
Step by Step Solution
- Step 1: Write the proportion equation
4,706,877.11 : 7,053,641.21 = 1,971,476.84 : x - Step 2: Convert to fraction form
4,706,877.11/7,053,641.21 = 1,971,476.84/x - Step 3: Cross multiply
4,706,877.11x = 7,053,641.21 × 1,971,476.84 - Step 4: Simplify right side
4,706,877.11x = 13,906,090,238,058.99 - Step 5: Solve for x
x = 13,906,090,238,058.99/4,706,877.11 - Step 6: Final answer
x = 2,954,419.66
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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.