Finding the Fourth Proportional to 5,390,771.71, 7,439,208.54 and 2,943,375.18
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Solution
The fourth proportional to 5,390,771.71, 7,439,208.54 and 2,943,375.18 is: 4,061,826.94
Step by Step Solution
- Step 1: Write the proportion equation
5,390,771.71 : 7,439,208.54 = 2,943,375.18 : x - Step 2: Convert to fraction form
5,390,771.71/7,439,208.54 = 2,943,375.18/x - Step 3: Cross multiply
5,390,771.71x = 7,439,208.54 × 2,943,375.18 - Step 4: Simplify right side
5,390,771.71x = 21,896,381,775,480.04 - Step 5: Solve for x
x = 21,896,381,775,480.04/5,390,771.71 - Step 6: Final answer
x = 4,061,826.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.