Finding the Fourth Proportional to 1,979,790.08, 2,732,112.06 and 1,074,372.08
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Solution
The fourth proportional to 1,979,790.08, 2,732,112.06 and 1,074,372.08 is: 1,482,634.42
Step by Step Solution
- Step 1: Write the proportion equation
1,979,790.08 : 2,732,112.06 = 1,074,372.08 : x - Step 2: Convert to fraction form
1,979,790.08/2,732,112.06 = 1,074,372.08/x - Step 3: Cross multiply
1,979,790.08x = 2,732,112.06 × 1,074,372.08 - Step 4: Simplify right side
1,979,790.08x = 2,935,304,916,695.29 - Step 5: Solve for x
x = 2,935,304,916,695.29/1,979,790.08 - Step 6: Final answer
x = 1,482,634.42
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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.