Finding the Fourth Proportional to 7,708,717.92, 10,637,892.84 and 4,270,890
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Solution
The fourth proportional to 7,708,717.92, 10,637,892.84 and 4,270,890 is: 5,893,751.80
Step by Step Solution
- Step 1: Write the proportion equation
7,708,717.92 : 10,637,892.84 = 4,270,890 : x - Step 2: Convert to fraction form
7,708,717.92/10,637,892.84 = 4,270,890/x - Step 3: Cross multiply
7,708,717.92x = 10,637,892.84 × 4,270,890 - Step 4: Simplify right side
7,708,717.92x = 45,433,270,151,427.60 - Step 5: Solve for x
x = 45,433,270,151,427.60/7,708,717.92 - Step 6: Final answer
x = 5,893,751.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.