Finding the Fourth Proportional to 5,275,358.46, 7,912,890.07 and 1,681,341.08
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Solution
The fourth proportional to 5,275,358.46, 7,912,890.07 and 1,681,341.08 is: 2,521,964.56
Step by Step Solution
- Step 1: Write the proportion equation
5,275,358.46 : 7,912,890.07 = 1,681,341.08 : x - Step 2: Convert to fraction form
5,275,358.46/7,912,890.07 = 1,681,341.08/x - Step 3: Cross multiply
5,275,358.46x = 7,912,890.07 × 1,681,341.08 - Step 4: Simplify right side
5,275,358.46x = 13,304,267,092,447.27 - Step 5: Solve for x
x = 13,304,267,092,447.27/5,275,358.46 - Step 6: Final answer
x = 2,521,964.56
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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.