Finding the Fourth Proportional to 5,275,366.09, 7,912,901.50 and 1,681,348.70
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Solution
The fourth proportional to 5,275,366.09, 7,912,901.50 and 1,681,348.70 is: 2,521,976.00
Step by Step Solution
- Step 1: Write the proportion equation
5,275,366.09 : 7,912,901.50 = 1,681,348.70 : x - Step 2: Convert to fraction form
5,275,366.09/7,912,901.50 = 1,681,348.70/x - Step 3: Cross multiply
5,275,366.09x = 7,912,901.50 × 1,681,348.70 - Step 4: Simplify right side
5,275,366.09x = 13,304,346,650,253.05 - Step 5: Solve for x
x = 13,304,346,650,253.05/5,275,366.09 - Step 6: Final answer
x = 2,521,976.00
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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.