Finding the Fourth Proportional to 2,015,787.66, 2,781,787.14 and 1,110,369.66
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Solution
The fourth proportional to 2,015,787.66, 2,781,787.14 and 1,110,369.66 is: 1,532,310.22
Step by Step Solution
- Step 1: Write the proportion equation
2,015,787.66 : 2,781,787.14 = 1,110,369.66 : x - Step 2: Convert to fraction form
2,015,787.66/2,781,787.14 = 1,110,369.66/x - Step 3: Cross multiply
2,015,787.66x = 2,781,787.14 × 1,110,369.66 - Step 4: Simplify right side
2,015,787.66x = 3,088,812,040,834.17 - Step 5: Solve for x
x = 3,088,812,040,834.17/2,015,787.66 - Step 6: Final answer
x = 1,532,310.22
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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.