Finding the Fourth Proportional to 1,785,508.38, 2,464,393.88 and 1,173,717.66
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Solution
The fourth proportional to 1,785,508.38, 2,464,393.88 and 1,173,717.66 is: 1,619,988.26
Step by Step Solution
- Step 1: Write the proportion equation
1,785,508.38 : 2,464,393.88 = 1,173,717.66 : x - Step 2: Convert to fraction form
1,785,508.38/2,464,393.88 = 1,173,717.66/x - Step 3: Cross multiply
1,785,508.38x = 2,464,393.88 × 1,173,717.66 - Step 4: Simplify right side
1,785,508.38x = 2,892,502,618,151.92 - Step 5: Solve for x
x = 2,892,502,618,151.92/1,785,508.38 - Step 6: Final answer
x = 1,619,988.26
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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.