Finding the Fourth Proportional to 5,647,582.20, 8,476,038.90 and 2,619,607.80
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Solution
The fourth proportional to 5,647,582.20, 8,476,038.90 and 2,619,607.80 is: 3,931,575.82
Step by Step Solution
- Step 1: Write the proportion equation
5,647,582.20 : 8,476,038.90 = 2,619,607.80 : x - Step 2: Convert to fraction form
5,647,582.20/8,476,038.90 = 2,619,607.80/x - Step 3: Cross multiply
5,647,582.20x = 8,476,038.90 × 2,619,607.80 - Step 4: Simplify right side
5,647,582.20x = 22,203,897,615,543.42 - Step 5: Solve for x
x = 22,203,897,615,543.42/5,647,582.20 - Step 6: Final answer
x = 3,931,575.82
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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.