Finding the Fourth Proportional to 5,275,364.09, 7,912,898.51 and 1,681,346.70
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Solution
The fourth proportional to 5,275,364.09, 7,912,898.51 and 1,681,346.70 is: 2,521,973.00
Step by Step Solution
- Step 1: Write the proportion equation
5,275,364.09 : 7,912,898.51 = 1,681,346.70 : x - Step 2: Convert to fraction form
5,275,364.09/7,912,898.51 = 1,681,346.70/x - Step 3: Cross multiply
5,275,364.09x = 7,912,898.51 × 1,681,346.70 - Step 4: Simplify right side
5,275,364.09x = 13,304,325,788,816.68 - Step 5: Solve for x
x = 13,304,325,788,816.68/5,275,364.09 - Step 6: Final answer
x = 2,521,973.00
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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.