Finding the Fourth Proportional to 4,865,549.76, 6,714,340.32 and 2,690,036.88
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Solution
The fourth proportional to 4,865,549.76, 6,714,340.32 and 2,690,036.88 is: 3,712,185.46
Step by Step Solution
- Step 1: Write the proportion equation
4,865,549.76 : 6,714,340.32 = 2,690,036.88 : x - Step 2: Convert to fraction form
4,865,549.76/6,714,340.32 = 2,690,036.88/x - Step 3: Cross multiply
4,865,549.76x = 6,714,340.32 × 2,690,036.88 - Step 4: Simplify right side
4,865,549.76x = 18,061,823,085,671 - Step 5: Solve for x
x = 18,061,823,085,671/4,865,549.76 - Step 6: Final answer
x = 3,712,185.46
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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.