Finding the Fourth Proportional to 2,874,392.40, 3,966,490.23 and 1,650,897.12
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Solution
The fourth proportional to 2,874,392.40, 3,966,490.23 and 1,650,897.12 is: 2,278,139.65
Step by Step Solution
- Step 1: Write the proportion equation
2,874,392.40 : 3,966,490.23 = 1,650,897.12 : x - Step 2: Convert to fraction form
2,874,392.40/3,966,490.23 = 1,650,897.12/x - Step 3: Cross multiply
2,874,392.40x = 3,966,490.23 × 1,650,897.12 - Step 4: Simplify right side
2,874,392.40x = 6,548,267,297,215.14 - Step 5: Solve for x
x = 6,548,267,297,215.14/2,874,392.40 - Step 6: Final answer
x = 2,278,139.65
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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.