Finding the Fourth Proportional to 2,912,620.24, 4,368,992.55 and 753,691.76
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Solution
The fourth proportional to 2,912,620.24, 4,368,992.55 and 753,691.76 is: 1,130,553.73
Step by Step Solution
- Step 1: Write the proportion equation
2,912,620.24 : 4,368,992.55 = 753,691.76 : x - Step 2: Convert to fraction form
2,912,620.24/4,368,992.55 = 753,691.76/x - Step 3: Cross multiply
2,912,620.24x = 4,368,992.55 × 753,691.76 - Step 4: Simplify right side
2,912,620.24x = 3,292,873,684,436.39 - Step 5: Solve for x
x = 3,292,873,684,436.39/2,912,620.24 - Step 6: Final answer
x = 1,130,553.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.