Finding the Fourth Proportional to 6,178,923.18, 8,527,419.15 and 3,426,473.94
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Solution
The fourth proportional to 6,178,923.18, 8,527,419.15 and 3,426,473.94 is: 4,728,814.17
Step by Step Solution
- Step 1: Write the proportion equation
6,178,923.18 : 8,527,419.15 = 3,426,473.94 : x - Step 2: Convert to fraction form
6,178,923.18/8,527,419.15 = 3,426,473.94/x - Step 3: Cross multiply
6,178,923.18x = 8,527,419.15 × 3,426,473.94 - Step 4: Simplify right side
6,178,923.18x = 29,218,979,492,931.95 - Step 5: Solve for x
x = 29,218,979,492,931.95/6,178,923.18 - Step 6: Final answer
x = 4,728,814.17
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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.