Finding the Fourth Proportional to 6,117,734.70, 8,442,690.57 and 3,364,635.06
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Solution
The fourth proportional to 6,117,734.70, 8,442,690.57 and 3,364,635.06 is: 4,643,315.55
Step by Step Solution
- Step 1: Write the proportion equation
6,117,734.70 : 8,442,690.57 = 3,364,635.06 : x - Step 2: Convert to fraction form
6,117,734.70/8,442,690.57 = 3,364,635.06/x - Step 3: Cross multiply
6,117,734.70x = 8,442,690.57 × 3,364,635.06 - Step 4: Simplify right side
6,117,734.70x = 28,406,572,692,553.39 - Step 5: Solve for x
x = 28,406,572,692,553.39/6,117,734.70 - Step 6: Final answer
x = 4,643,315.55
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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.