Finding the Fourth Proportional to 5,225,933.76, 7,211,788.56 and 2,934,143.70
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Solution
The fourth proportional to 5,225,933.76, 7,211,788.56 and 2,934,143.70 is: 4,049,118.29
Step by Step Solution
- Step 1: Write the proportion equation
5,225,933.76 : 7,211,788.56 = 2,934,143.70 : x - Step 2: Convert to fraction form
5,225,933.76/7,211,788.56 = 2,934,143.70/x - Step 3: Cross multiply
5,225,933.76x = 7,211,788.56 × 2,934,143.70 - Step 4: Simplify right side
5,225,933.76x = 21,160,423,969,056.07 - Step 5: Solve for x
x = 21,160,423,969,056.07/5,225,933.76 - Step 6: Final answer
x = 4,049,118.29
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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.