Finding the Fourth Proportional to 4,921,497.34, 6,791,685.11 and 2,746,132.18
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Solution
The fourth proportional to 4,921,497.34, 6,791,685.11 and 2,746,132.18 is: 3,789,672.89
Step by Step Solution
- Step 1: Write the proportion equation
4,921,497.34 : 6,791,685.11 = 2,746,132.18 : x - Step 2: Convert to fraction form
4,921,497.34/6,791,685.11 = 2,746,132.18/x - Step 3: Cross multiply
4,921,497.34x = 6,791,685.11 × 2,746,132.18 - Step 4: Simplify right side
4,921,497.34x = 18,650,865,023,267.18 - Step 5: Solve for x
x = 18,650,865,023,267.18/4,921,497.34 - Step 6: Final answer
x = 3,789,672.89
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1.5x scale
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.