Finding the Fourth Proportional to 2,474,347.20, 3,414,616.07 and 1,371,812.32
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Solution
The fourth proportional to 2,474,347.20, 3,414,616.07 and 1,371,812.32 is: 1,893,110.40
Step by Step Solution
- Step 1: Write the proportion equation
2,474,347.20 : 3,414,616.07 = 1,371,812.32 : x - Step 2: Convert to fraction form
2,474,347.20/3,414,616.07 = 1,371,812.32/x - Step 3: Cross multiply
2,474,347.20x = 3,414,616.07 × 1,371,812.32 - Step 4: Simplify right side
2,474,347.20x = 4,684,212,399,437.02 - Step 5: Solve for x
x = 4,684,212,399,437.02/2,474,347.20 - Step 6: Final answer
x = 1,893,110.40
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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.