Finding the Fourth Proportional to 5,276,202.74, 7,914,877.62 and 1,681,124.66
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Solution
The fourth proportional to 5,276,202.74, 7,914,877.62 and 1,681,124.66 is: 2,521,869.72
Step by Step Solution
- Step 1: Write the proportion equation
5,276,202.74 : 7,914,877.62 = 1,681,124.66 : x - Step 2: Convert to fraction form
5,276,202.74/7,914,877.62 = 1,681,124.66/x - Step 3: Cross multiply
5,276,202.74x = 7,914,877.62 × 1,681,124.66 - Step 4: Simplify right side
5,276,202.74x = 13,305,895,947,864.11 - Step 5: Solve for x
x = 13,305,895,947,864.11/5,276,202.74 - Step 6: Final answer
x = 2,521,869.72
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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.