Finding the Fourth Proportional to 5,251,346.76, 7,876,320.30 and 1,464,512.52
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Solution
The fourth proportional to 5,251,346.76, 7,876,320.30 and 1,464,512.52 is: 2,196,573.61
Step by Step Solution
- Step 1: Write the proportion equation
5,251,346.76 : 7,876,320.30 = 1,464,512.52 : x - Step 2: Convert to fraction form
5,251,346.76/7,876,320.30 = 1,464,512.52/x - Step 3: Cross multiply
5,251,346.76x = 7,876,320.30 × 1,464,512.52 - Step 4: Simplify right side
5,251,346.76x = 11,534,969,690,880.16 - Step 5: Solve for x
x = 11,534,969,690,880.16/5,251,346.76 - Step 6: Final answer
x = 2,196,573.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.