Finding the Fourth Proportional to 4,921,497.84, 6,791,685.80 and 2,746,132.68
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Solution
The fourth proportional to 4,921,497.84, 6,791,685.80 and 2,746,132.68 is: 3,789,673.58
Step by Step Solution
- Step 1: Write the proportion equation
4,921,497.84 : 6,791,685.80 = 2,746,132.68 : x - Step 2: Convert to fraction form
4,921,497.84/6,791,685.80 = 2,746,132.68/x - Step 3: Cross multiply
4,921,497.84x = 6,791,685.80 × 2,746,132.68 - Step 4: Simplify right side
4,921,497.84x = 18,650,870,313,941.28 - Step 5: Solve for x
x = 18,650,870,313,941.28/4,921,497.84 - Step 6: Final answer
x = 3,789,673.58
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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.