Finding the Fourth Proportional to 2,454,397.81, 3,387,036.68 and 1,351,808.05
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Solution
The fourth proportional to 2,454,397.81, 3,387,036.68 and 1,351,808.05 is: 1,865,477.31
Step by Step Solution
- Step 1: Write the proportion equation
2,454,397.81 : 3,387,036.68 = 1,351,808.05 : x - Step 2: Convert to fraction form
2,454,397.81/3,387,036.68 = 1,351,808.05/x - Step 3: Cross multiply
2,454,397.81x = 3,387,036.68 × 1,351,808.05 - Step 4: Simplify right side
2,454,397.81x = 4,578,623,432,734.09 - Step 5: Solve for x
x = 4,578,623,432,734.09/2,454,397.81 - Step 6: Final answer
x = 1,865,477.31
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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.