Finding the Fourth Proportional to 3,248,731.19, 4,483,301.90 and 1,778,614.92
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Solution
The fourth proportional to 3,248,731.19, 4,483,301.90 and 1,778,614.92 is: 2,454,517.53
Step by Step Solution
- Step 1: Write the proportion equation
3,248,731.19 : 4,483,301.90 = 1,778,614.92 : x - Step 2: Convert to fraction form
3,248,731.19/4,483,301.90 = 1,778,614.92/x - Step 3: Cross multiply
3,248,731.19x = 4,483,301.90 × 1,778,614.92 - Step 4: Simplify right side
3,248,731.19x = 7,974,067,641,311.27 - Step 5: Solve for x
x = 7,974,067,641,311.27/3,248,731.19 - Step 6: Final answer
x = 2,454,517.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.