Finding the Fourth Proportional to 5,095,799.70, 7,031,992.74 and 2,772,701.78
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Solution
The fourth proportional to 5,095,799.70, 7,031,992.74 and 2,772,701.78 is: 3,826,213.73
Step by Step Solution
- Step 1: Write the proportion equation
5,095,799.70 : 7,031,992.74 = 2,772,701.78 : x - Step 2: Convert to fraction form
5,095,799.70/7,031,992.74 = 2,772,701.78/x - Step 3: Cross multiply
5,095,799.70x = 7,031,992.74 × 2,772,701.78 - Step 4: Simplify right side
5,095,799.70x = 19,497,618,787,145.08 - Step 5: Solve for x
x = 19,497,618,787,145.08/5,095,799.70 - Step 6: Final answer
x = 3,826,213.73
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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.