Finding the Fourth Proportional to 5,381,727.23, 7,427,635.50 and 3,207,531.50
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Solution
The fourth proportional to 5,381,727.23, 7,427,635.50 and 3,207,531.50 is: 4,426,901.23
Step by Step Solution
- Step 1: Write the proportion equation
5,381,727.23 : 7,427,635.50 = 3,207,531.50 : x - Step 2: Convert to fraction form
5,381,727.23/7,427,635.50 = 3,207,531.50/x - Step 3: Cross multiply
5,381,727.23x = 7,427,635.50 × 3,207,531.50 - Step 4: Simplify right side
5,381,727.23x = 23,824,374,881,292.40 - Step 5: Solve for x
x = 23,824,374,881,292.40/5,381,727.23 - Step 6: Final answer
x = 4,426,901.23
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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.