Finding the Fourth Proportional to 2,749,640.70, 4,125,497.85 and 1,330,952.70
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Solution
The fourth proportional to 2,749,640.70, 4,125,497.85 and 1,330,952.70 is: 1,996,930.91
Step by Step Solution
- Step 1: Write the proportion equation
2,749,640.70 : 4,125,497.85 = 1,330,952.70 : x - Step 2: Convert to fraction form
2,749,640.70/4,125,497.85 = 1,330,952.70/x - Step 3: Cross multiply
2,749,640.70x = 4,125,497.85 × 1,330,952.70 - Step 4: Simplify right side
2,749,640.70x = 5,490,842,502,301.70 - Step 5: Solve for x
x = 5,490,842,502,301.70/2,749,640.70 - Step 6: Final answer
x = 1,996,930.91
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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.