Finding the Fourth Proportional to 3,919,497.69, 5,408,724 and 2,177,280
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Solution
The fourth proportional to 3,919,497.69, 5,408,724 and 2,177,280 is: 3,004,544.85
Step by Step Solution
- Step 1: Write the proportion equation
3,919,497.69 : 5,408,724 = 2,177,280 : x - Step 2: Convert to fraction form
3,919,497.69/5,408,724 = 2,177,280/x - Step 3: Cross multiply
3,919,497.69x = 5,408,724 × 2,177,280 - Step 4: Simplify right side
3,919,497.69x = 11,776,306,590,720 - Step 5: Solve for x
x = 11,776,306,590,720/3,919,497.69 - Step 6: Final answer
x = 3,004,544.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.