Finding the Fourth Proportional to 4,865,367.72, 6,713,853.80 and 2,689,936.96
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Solution
The fourth proportional to 4,865,367.72, 6,713,853.80 and 2,689,936.96 is: 3,711,917.48
Step by Step Solution
- Step 1: Write the proportion equation
4,865,367.72 : 6,713,853.80 = 2,689,936.96 : x - Step 2: Convert to fraction form
4,865,367.72/6,713,853.80 = 2,689,936.96/x - Step 3: Cross multiply
4,865,367.72x = 6,713,853.80 × 2,689,936.96 - Step 4: Simplify right side
4,865,367.72x = 18,059,843,480,656.45 - Step 5: Solve for x
x = 18,059,843,480,656.45/4,865,367.72 - Step 6: Final answer
x = 3,711,917.48
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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.