Finding the Fourth Proportional to 3,689,219.22, 5,532,055.50 and 2,091,353.28
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Solution
The fourth proportional to 3,689,219.22, 5,532,055.50 and 2,091,353.28 is: 3,136,024.65
Step by Step Solution
- Step 1: Write the proportion equation
3,689,219.22 : 5,532,055.50 = 2,091,353.28 : x - Step 2: Convert to fraction form
3,689,219.22/5,532,055.50 = 2,091,353.28/x - Step 3: Cross multiply
3,689,219.22x = 5,532,055.50 × 2,091,353.28 - Step 4: Simplify right side
3,689,219.22x = 11,569,482,415,067.04 - Step 5: Solve for x
x = 11,569,482,415,067.04/3,689,219.22 - Step 6: Final answer
x = 3,136,024.65
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1.5x scale
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.