Finding the Fourth Proportional to 2,591,974.18, 3,578,269.20 and 1,893,470.63
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Solution
The fourth proportional to 2,591,974.18, 3,578,269.20 and 1,893,470.63 is: 2,613,971.88
Step by Step Solution
- Step 1: Write the proportion equation
2,591,974.18 : 3,578,269.20 = 1,893,470.63 : x - Step 2: Convert to fraction form
2,591,974.18/3,578,269.20 = 1,893,470.63/x - Step 3: Cross multiply
2,591,974.18x = 3,578,269.20 × 1,893,470.63 - Step 4: Simplify right side
2,591,974.18x = 6,775,347,609,074.90 - Step 5: Solve for x
x = 6,775,347,609,074.90/2,591,974.18 - Step 6: Final answer
x = 2,613,971.88
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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.