Finding the Fourth Proportional to 4,787,041.06, 6,606,138.09 and 2,611,577.62
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Solution
The fourth proportional to 4,787,041.06, 6,606,138.09 and 2,611,577.62 is: 3,603,988.81
Step by Step Solution
- Step 1: Write the proportion equation
4,787,041.06 : 6,606,138.09 = 2,611,577.62 : x - Step 2: Convert to fraction form
4,787,041.06/6,606,138.09 = 2,611,577.62/x - Step 3: Cross multiply
4,787,041.06x = 6,606,138.09 × 2,611,577.62 - Step 4: Simplify right side
4,787,041.06x = 17,252,442,390,473.55 - Step 5: Solve for x
x = 17,252,442,390,473.55/4,787,041.06 - Step 6: Final answer
x = 3,603,988.81
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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.