Finding the Fourth Proportional to 5,545,876.28, 7,651,997.12 and 3,221,387.84
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Solution
The fourth proportional to 5,545,876.28, 7,651,997.12 and 3,221,387.84 is: 4,444,753.04
Step by Step Solution
- Step 1: Write the proportion equation
5,545,876.28 : 7,651,997.12 = 3,221,387.84 : x - Step 2: Convert to fraction form
5,545,876.28/7,651,997.12 = 3,221,387.84/x - Step 3: Cross multiply
5,545,876.28x = 7,651,997.12 × 3,221,387.84 - Step 4: Simplify right side
5,545,876.28x = 24,650,050,474,083.02 - Step 5: Solve for x
x = 24,650,050,474,083.02/5,545,876.28 - Step 6: Final answer
x = 4,444,753.04
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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.