Finding the Fourth Proportional to 5,306,644.62, 7,959,962.07 and 1,663,400.70
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Solution
The fourth proportional to 5,306,644.62, 7,959,962.07 and 1,663,400.70 is: 2,495,099.53
Step by Step Solution
- Step 1: Write the proportion equation
5,306,644.62 : 7,959,962.07 = 1,663,400.70 : x - Step 2: Convert to fraction form
5,306,644.62/7,959,962.07 = 1,663,400.70/x - Step 3: Cross multiply
5,306,644.62x = 7,959,962.07 × 1,663,400.70 - Step 4: Simplify right side
5,306,644.62x = 13,240,606,479,211.45 - Step 5: Solve for x
x = 13,240,606,479,211.45/5,306,644.62 - Step 6: Final answer
x = 2,495,099.53
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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.