Finding the Fourth Proportional to 7,442,520.19, 11,156,693.19 and 2,390,287.75
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Solution
The fourth proportional to 7,442,520.19, 11,156,693.19 and 2,390,287.75 is: 3,583,155.49
Step by Step Solution
- Step 1: Write the proportion equation
7,442,520.19 : 11,156,693.19 = 2,390,287.75 : x - Step 2: Convert to fraction form
7,442,520.19/11,156,693.19 = 2,390,287.75/x - Step 3: Cross multiply
7,442,520.19x = 11,156,693.19 × 2,390,287.75 - Step 4: Simplify right side
7,442,520.19x = 26,667,707,062,565.42 - Step 5: Solve for x
x = 26,667,707,062,565.42/7,442,520.19 - Step 6: Final answer
x = 3,583,155.49
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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.