Finding the Fourth Proportional to 6,115,283.31, 8,438,876.02 and 3,361,950.75
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Solution
The fourth proportional to 6,115,283.31, 8,438,876.02 and 3,361,950.75 is: 4,639,373.86
Step by Step Solution
- Step 1: Write the proportion equation
6,115,283.31 : 8,438,876.02 = 3,361,950.75 : x - Step 2: Convert to fraction form
6,115,283.31/8,438,876.02 = 3,361,950.75/x - Step 3: Cross multiply
6,115,283.31x = 8,438,876.02 × 3,361,950.75 - Step 4: Simplify right side
6,115,283.31x = 28,371,085,564,596.01 - Step 5: Solve for x
x = 28,371,085,564,596.01/6,115,283.31 - Step 6: Final answer
x = 4,639,373.86
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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.