Finding the Fourth Proportional to 2,657,072.18, 3,986,240.68 and 859,955.66
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Solution
The fourth proportional to 2,657,072.18, 3,986,240.68 and 859,955.66 is: 1,290,138.17
Step by Step Solution
- Step 1: Write the proportion equation
2,657,072.18 : 3,986,240.68 = 859,955.66 : x - Step 2: Convert to fraction form
2,657,072.18/3,986,240.68 = 859,955.66/x - Step 3: Cross multiply
2,657,072.18x = 3,986,240.68 × 859,955.66 - Step 4: Simplify right side
2,657,072.18x = 3,427,990,234,888.25 - Step 5: Solve for x
x = 3,427,990,234,888.25/2,657,072.18 - Step 6: Final answer
x = 1,290,138.17
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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.