Finding the Fourth Proportional to 1,817,662.31, 2,508,226.49 and 1,053,765.08
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Solution
The fourth proportional to 1,817,662.31, 2,508,226.49 and 1,053,765.08 is: 1,454,110.30
Step by Step Solution
- Step 1: Write the proportion equation
1,817,662.31 : 2,508,226.49 = 1,053,765.08 : x - Step 2: Convert to fraction form
1,817,662.31/2,508,226.49 = 1,053,765.08/x - Step 3: Cross multiply
1,817,662.31x = 2,508,226.49 × 1,053,765.08 - Step 4: Simplify right side
1,817,662.31x = 2,643,081,487,392.10 - Step 5: Solve for x
x = 2,643,081,487,392.10/1,817,662.31 - Step 6: Final answer
x = 1,454,110.30
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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.