Finding the Fourth Proportional to 2,376,422.27, 3,279,463.62 and 1,288,693.56
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Solution
The fourth proportional to 2,376,422.27, 3,279,463.62 and 1,288,693.56 is: 1,778,397.59
Step by Step Solution
- Step 1: Write the proportion equation
2,376,422.27 : 3,279,463.62 = 1,288,693.56 : x - Step 2: Convert to fraction form
2,376,422.27/3,279,463.62 = 1,288,693.56/x - Step 3: Cross multiply
2,376,422.27x = 3,279,463.62 × 1,288,693.56 - Step 4: Simplify right side
2,376,422.27x = 4,226,223,647,348.29 - Step 5: Solve for x
x = 4,226,223,647,348.29/2,376,422.27 - Step 6: Final answer
x = 1,778,397.59
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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.