Finding the Fourth Proportional to 4,914,876.64, 6,767,094.42 and 4,178,381.71
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Solution
The fourth proportional to 4,914,876.64, 6,767,094.42 and 4,178,381.71 is: 5,753,044.40
Step by Step Solution
- Step 1: Write the proportion equation
4,914,876.64 : 6,767,094.42 = 4,178,381.71 : x - Step 2: Convert to fraction form
4,914,876.64/6,767,094.42 = 4,178,381.71/x - Step 3: Cross multiply
4,914,876.64x = 6,767,094.42 × 4,178,381.71 - Step 4: Simplify right side
4,914,876.64x = 28,275,503,554,371.06 - Step 5: Solve for x
x = 28,275,503,554,371.06/4,914,876.64 - Step 6: Final answer
x = 5,753,044.40
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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.