Finding the Fourth Proportional to 7,730,551.92, 11,593,911.84 and 2,612,868.19
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Solution
The fourth proportional to 7,730,551.92, 11,593,911.84 and 2,612,868.19 is: 3,918,654.68
Step by Step Solution
- Step 1: Write the proportion equation
7,730,551.92 : 11,593,911.84 = 2,612,868.19 : x - Step 2: Convert to fraction form
7,730,551.92/11,593,911.84 = 2,612,868.19/x - Step 3: Cross multiply
7,730,551.92x = 11,593,911.84 × 2,612,868.19 - Step 4: Simplify right side
7,730,551.92x = 30,293,363,444,400.37 - Step 5: Solve for x
x = 30,293,363,444,400.37/7,730,551.92 - Step 6: Final answer
x = 3,918,654.68
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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.