Finding the Fourth Proportional to 1,979,785.08, 2,732,105.16 and 1,074,367.08
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Solution
The fourth proportional to 1,979,785.08, 2,732,105.16 and 1,074,367.08 is: 1,482,627.52
Step by Step Solution
- Step 1: Write the proportion equation
1,979,785.08 : 2,732,105.16 = 1,074,367.08 : x - Step 2: Convert to fraction form
1,979,785.08/2,732,105.16 = 1,074,367.08/x - Step 3: Cross multiply
1,979,785.08x = 2,732,105.16 × 1,074,367.08 - Step 4: Simplify right side
1,979,785.08x = 2,935,283,843,002.13 - Step 5: Solve for x
x = 2,935,283,843,002.13/1,979,785.08 - Step 6: Final answer
x = 1,482,627.52
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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.