Finding the Fourth Proportional to 2,777,877.68, 4,187,637.28 and 2,592,703.71
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Solution
The fourth proportional to 2,777,877.68, 4,187,637.28 and 2,592,703.71 is: 3,908,488.41
Step by Step Solution
- Step 1: Write the proportion equation
2,777,877.68 : 4,187,637.28 = 2,592,703.71 : x - Step 2: Convert to fraction form
2,777,877.68/4,187,637.28 = 2,592,703.71/x - Step 3: Cross multiply
2,777,877.68x = 4,187,637.28 × 2,592,703.71 - Step 4: Simplify right side
2,777,877.68x = 10,857,302,715,231.19 - Step 5: Solve for x
x = 10,857,302,715,231.19/2,777,877.68 - Step 6: Final answer
x = 3,908,488.41
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.