Finding the Fourth Proportional to 4,727,871.20, 7,087,918.80 and 2,034,264.80
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Solution
The fourth proportional to 4,727,871.20, 7,087,918.80 and 2,034,264.80 is: 3,049,724.31
Step by Step Solution
- Step 1: Write the proportion equation
4,727,871.20 : 7,087,918.80 = 2,034,264.80 : x - Step 2: Convert to fraction form
4,727,871.20/7,087,918.80 = 2,034,264.80/x - Step 3: Cross multiply
4,727,871.20x = 7,087,918.80 × 2,034,264.80 - Step 4: Simplify right side
4,727,871.20x = 14,418,703,720,098.24 - Step 5: Solve for x
x = 14,418,703,720,098.24/4,727,871.20 - Step 6: Final answer
x = 3,049,724.31
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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.