Finding the Fourth Proportional to 3,329,828.40, 4,992,719.98 and 1,305,647.19
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Solution
The fourth proportional to 3,329,828.40, 4,992,719.98 and 1,305,647.19 is: 1,957,677.70
Step by Step Solution
- Step 1: Write the proportion equation
3,329,828.40 : 4,992,719.98 = 1,305,647.19 : x - Step 2: Convert to fraction form
3,329,828.40/4,992,719.98 = 1,305,647.19/x - Step 3: Cross multiply
3,329,828.40x = 4,992,719.98 × 1,305,647.19 - Step 4: Simplify right side
3,329,828.40x = 6,518,730,812,343.86 - Step 5: Solve for x
x = 6,518,730,812,343.86/3,329,828.40 - Step 6: Final answer
x = 1,957,677.70
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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.