Finding the Fourth Proportional to 4,930,565.76, 7,397,529.84 and 2,656,323.36
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Solution
The fourth proportional to 4,930,565.76, 7,397,529.84 and 2,656,323.36 is: 3,985,390.78
Step by Step Solution
- Step 1: Write the proportion equation
4,930,565.76 : 7,397,529.84 = 2,656,323.36 : x - Step 2: Convert to fraction form
4,930,565.76/7,397,529.84 = 2,656,323.36/x - Step 3: Cross multiply
4,930,565.76x = 7,397,529.84 × 2,656,323.36 - Step 4: Simplify right side
4,930,565.76x = 19,650,231,320,289.06 - Step 5: Solve for x
x = 19,650,231,320,289.06/4,930,565.76 - Step 6: Final answer
x = 3,985,390.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.