Finding the Fourth Proportional to 5,225,880.62, 7,838,818.04 and 1,631,955.58
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Solution
The fourth proportional to 5,225,880.62, 7,838,818.04 and 1,631,955.58 is: 2,447,932.47
Step by Step Solution
- Step 1: Write the proportion equation
5,225,880.62 : 7,838,818.04 = 1,631,955.58 : x - Step 2: Convert to fraction form
5,225,880.62/7,838,818.04 = 1,631,955.58/x - Step 3: Cross multiply
5,225,880.62x = 7,838,818.04 × 1,631,955.58 - Step 4: Simplify right side
5,225,880.62x = 12,792,602,840,982.66 - Step 5: Solve for x
x = 12,792,602,840,982.66/5,225,880.62 - Step 6: Final answer
x = 2,447,932.47
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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.