Finding the Fourth Proportional to 2,752,092.40, 4,128,794.70 and 1,330,979.80
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Solution
The fourth proportional to 2,752,092.40, 4,128,794.70 and 1,330,979.80 is: 1,996,787.01
Step by Step Solution
- Step 1: Write the proportion equation
2,752,092.40 : 4,128,794.70 = 1,330,979.80 : x - Step 2: Convert to fraction form
2,752,092.40/4,128,794.70 = 1,330,979.80/x - Step 3: Cross multiply
2,752,092.40x = 4,128,794.70 × 1,330,979.80 - Step 4: Simplify right side
2,752,092.40x = 5,495,342,344,047.06 - Step 5: Solve for x
x = 5,495,342,344,047.06/2,752,092.40 - Step 6: Final answer
x = 1,996,787.01
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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.