Finding the Fourth Proportional to 5,306,647.62, 7,959,966.60 and 1,663,403.70
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Solution
The fourth proportional to 5,306,647.62, 7,959,966.60 and 1,663,403.70 is: 2,495,104.04
Step by Step Solution
- Step 1: Write the proportion equation
5,306,647.62 : 7,959,966.60 = 1,663,403.70 : x - Step 2: Convert to fraction form
5,306,647.62/7,959,966.60 = 1,663,403.70/x - Step 3: Cross multiply
5,306,647.62x = 7,959,966.60 × 1,663,403.70 - Step 4: Simplify right side
5,306,647.62x = 13,240,637,894,316.42 - Step 5: Solve for x
x = 13,240,637,894,316.42/5,306,647.62 - Step 6: Final answer
x = 2,495,104.04
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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.