Finding the Fourth Proportional to 4,643,635.97, 6,408,377.98 and 2,578,686.12
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Solution
The fourth proportional to 4,643,635.97, 6,408,377.98 and 2,578,686.12 is: 3,558,675.88
Step by Step Solution
- Step 1: Write the proportion equation
4,643,635.97 : 6,408,377.98 = 2,578,686.12 : x - Step 2: Convert to fraction form
4,643,635.97/6,408,377.98 = 2,578,686.12/x - Step 3: Cross multiply
4,643,635.97x = 6,408,377.98 × 2,578,686.12 - Step 4: Simplify right side
4,643,635.97x = 16,525,195,342,292.92 - Step 5: Solve for x
x = 16,525,195,342,292.92/4,643,635.97 - Step 6: Final answer
x = 3,558,675.88
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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.