Finding the Fourth Proportional to 3,148,213.80, 4,344,409.98 and 1,859,468.16
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Solution
The fourth proportional to 3,148,213.80, 4,344,409.98 and 1,859,468.16 is: 2,565,992.19
Step by Step Solution
- Step 1: Write the proportion equation
3,148,213.80 : 4,344,409.98 = 1,859,468.16 : x - Step 2: Convert to fraction form
3,148,213.80/4,344,409.98 = 1,859,468.16/x - Step 3: Cross multiply
3,148,213.80x = 4,344,409.98 × 1,859,468.16 - Step 4: Simplify right side
3,148,213.80x = 8,078,292,031,796.24 - Step 5: Solve for x
x = 8,078,292,031,796.24/3,148,213.80 - Step 6: Final answer
x = 2,565,992.19
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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.