Finding the Fourth Proportional to 2,548,572.82, 3,517,031.03 and 1,387,023.62
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Solution
The fourth proportional to 2,548,572.82, 3,517,031.03 and 1,387,023.62 is: 1,914,092.88
Step by Step Solution
- Step 1: Write the proportion equation
2,548,572.82 : 3,517,031.03 = 1,387,023.62 : x - Step 2: Convert to fraction form
2,548,572.82/3,517,031.03 = 1,387,023.62/x - Step 3: Cross multiply
2,548,572.82x = 3,517,031.03 × 1,387,023.62 - Step 4: Simplify right side
2,548,572.82x = 4,878,205,086,362.66 - Step 5: Solve for x
x = 4,878,205,086,362.66/2,548,572.82 - Step 6: Final answer
x = 1,914,092.88
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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.