Finding the Fourth Proportional to 7,442,518.44, 11,156,690.55 and 2,390,286
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Solution
The fourth proportional to 7,442,518.44, 11,156,690.55 and 2,390,286 is: 3,583,152.86
Step by Step Solution
- Step 1: Write the proportion equation
7,442,518.44 : 11,156,690.55 = 2,390,286 : x - Step 2: Convert to fraction form
7,442,518.44/11,156,690.55 = 2,390,286/x - Step 3: Cross multiply
7,442,518.44x = 11,156,690.55 × 2,390,286 - Step 4: Simplify right side
7,442,518.44x = 26,667,681,227,997.30 - Step 5: Solve for x
x = 26,667,681,227,997.30/7,442,518.44 - Step 6: Final answer
x = 3,583,152.86
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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.