Finding the Fourth Proportional to 3,879,287.78, 5,819,414.76 and 1,320,306.08
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Solution
The fourth proportional to 3,879,287.78, 5,819,414.76 and 1,320,306.08 is: 1,980,623.53
Step by Step Solution
- Step 1: Write the proportion equation
3,879,287.78 : 5,819,414.76 = 1,320,306.08 : x - Step 2: Convert to fraction form
3,879,287.78/5,819,414.76 = 1,320,306.08/x - Step 3: Cross multiply
3,879,287.78x = 5,819,414.76 × 1,320,306.08 - Step 4: Simplify right side
3,879,287.78x = 7,683,408,660,572.67 - Step 5: Solve for x
x = 7,683,408,660,572.67/3,879,287.78 - Step 6: Final answer
x = 1,980,623.53
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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.