Finding the Fourth Proportional to 4,527,880.67, 6,251,982.60 and 3,479,641.55
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Solution
The fourth proportional to 4,527,880.67, 6,251,982.60 and 3,479,641.55 is: 4,804,600.65
Step by Step Solution
- Step 1: Write the proportion equation
4,527,880.67 : 6,251,982.60 = 3,479,641.55 : x - Step 2: Convert to fraction form
4,527,880.67/6,251,982.60 = 3,479,641.55/x - Step 3: Cross multiply
4,527,880.67x = 6,251,982.60 × 3,479,641.55 - Step 4: Simplify right side
4,527,880.67x = 21,754,658,393,577.12 - Step 5: Solve for x
x = 21,754,658,393,577.12/4,527,880.67 - Step 6: Final answer
x = 4,804,600.65
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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.