Finding the Fourth Proportional to 6,649,117.92, 9,974,242.80 and 2,098,949.40
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Solution
The fourth proportional to 6,649,117.92, 9,974,242.80 and 2,098,949.40 is: 3,148,602.75
Step by Step Solution
- Step 1: Write the proportion equation
6,649,117.92 : 9,974,242.80 = 2,098,949.40 : x - Step 2: Convert to fraction form
6,649,117.92/9,974,242.80 = 2,098,949.40/x - Step 3: Cross multiply
6,649,117.92x = 9,974,242.80 × 2,098,949.40 - Step 4: Simplify right side
6,649,117.92x = 20,935,430,940,514.32 - Step 5: Solve for x
x = 20,935,430,940,514.32/6,649,117.92 - Step 6: Final answer
x = 3,148,602.75
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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.