Finding the Fourth Proportional to 4,188,516.20, 6,282,774.30 and 1,495,881.80
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Solution
The fourth proportional to 4,188,516.20, 6,282,774.30 and 1,495,881.80 is: 2,243,822.70
Step by Step Solution
- Step 1: Write the proportion equation
4,188,516.20 : 6,282,774.30 = 1,495,881.80 : x - Step 2: Convert to fraction form
4,188,516.20/6,282,774.30 = 1,495,881.80/x - Step 3: Cross multiply
4,188,516.20x = 6,282,774.30 × 1,495,881.80 - Step 4: Simplify right side
4,188,516.20x = 9,398,287,728,877.74 - Step 5: Solve for x
x = 9,398,287,728,877.74/4,188,516.20 - Step 6: Final answer
x = 2,243,822.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.