Finding the Fourth Proportional to 5,727,486.28, 7,903,718.50 and 3,149,013.64
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Solution
The fourth proportional to 5,727,486.28, 7,903,718.50 and 3,149,013.64 is: 4,345,521.95
Step by Step Solution
- Step 1: Write the proportion equation
5,727,486.28 : 7,903,718.50 = 3,149,013.64 : x - Step 2: Convert to fraction form
5,727,486.28/7,903,718.50 = 3,149,013.64/x - Step 3: Cross multiply
5,727,486.28x = 7,903,718.50 × 3,149,013.64 - Step 4: Simplify right side
5,727,486.28x = 24,888,917,363,220.34 - Step 5: Solve for x
x = 24,888,917,363,220.34/5,727,486.28 - Step 6: Final answer
x = 4,345,521.95
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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.