Finding the Fourth Proportional to 5,436,738.20, 8,156,273.70 and 1,650,603.80
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Solution
The fourth proportional to 5,436,738.20, 8,156,273.70 and 1,650,603.80 is: 2,476,259.82
Step by Step Solution
- Step 1: Write the proportion equation
5,436,738.20 : 8,156,273.70 = 1,650,603.80 : x - Step 2: Convert to fraction form
5,436,738.20/8,156,273.70 = 1,650,603.80/x - Step 3: Cross multiply
5,436,738.20x = 8,156,273.70 × 1,650,603.80 - Step 4: Simplify right side
5,436,738.20x = 13,462,776,363,060.06 - Step 5: Solve for x
x = 13,462,776,363,060.06/5,436,738.20 - Step 6: Final answer
x = 2,476,259.82
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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.