Finding the Fourth Proportional to 3,248,734.19, 4,483,306.04 and 1,778,617.94
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Solution
The fourth proportional to 3,248,734.19, 4,483,306.04 and 1,778,617.94 is: 2,454,521.69
Step by Step Solution
- Step 1: Write the proportion equation
3,248,734.19 : 4,483,306.04 = 1,778,617.94 : x - Step 2: Convert to fraction form
3,248,734.19/4,483,306.04 = 1,778,617.94/x - Step 3: Cross multiply
3,248,734.19x = 4,483,306.04 × 1,778,617.94 - Step 4: Simplify right side
3,248,734.19x = 7,974,088,521,944.74 - Step 5: Solve for x
x = 7,974,088,521,944.74/3,248,734.19 - Step 6: Final answer
x = 2,454,521.69
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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.