Finding the Fourth Proportional to 6,156,129.68, 8,495,441.16 and 3,439,877.84
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Solution
The fourth proportional to 6,156,129.68, 8,495,441.16 and 3,439,877.84 is: 4,747,021.47
Step by Step Solution
- Step 1: Write the proportion equation
6,156,129.68 : 8,495,441.16 = 3,439,877.84 : x - Step 2: Convert to fraction form
6,156,129.68/8,495,441.16 = 3,439,877.84/x - Step 3: Cross multiply
6,156,129.68x = 8,495,441.16 × 3,439,877.84 - Step 4: Simplify right side
6,156,129.68x = 29,223,279,787,307.89 - Step 5: Solve for x
x = 29,223,279,787,307.89/6,156,129.68 - Step 6: Final answer
x = 4,747,021.47
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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.