Finding the Fourth Proportional to 2,840,280.97, 3,919,618.92 and 1,551,159.31
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Solution
The fourth proportional to 2,840,280.97, 3,919,618.92 and 1,551,159.31 is: 2,140,616.88
Step by Step Solution
- Step 1: Write the proportion equation
2,840,280.97 : 3,919,618.92 = 1,551,159.31 : x - Step 2: Convert to fraction form
2,840,280.97/3,919,618.92 = 1,551,159.31/x - Step 3: Cross multiply
2,840,280.97x = 3,919,618.92 × 1,551,159.31 - Step 4: Simplify right side
2,840,280.97x = 6,079,953,379,410.15 - Step 5: Solve for x
x = 6,079,953,379,410.15/2,840,280.97 - Step 6: Final answer
x = 2,140,616.88
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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.