Finding the Fourth Proportional to 1,564,466.35, 2,158,785.09 and 876,042.49
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Solution
The fourth proportional to 1,564,466.35, 2,158,785.09 and 876,042.49 is: 1,208,838.70
Step by Step Solution
- Step 1: Write the proportion equation
1,564,466.35 : 2,158,785.09 = 876,042.49 : x - Step 2: Convert to fraction form
1,564,466.35/2,158,785.09 = 876,042.49/x - Step 3: Cross multiply
1,564,466.35x = 2,158,785.09 × 876,042.49 - Step 4: Simplify right side
1,564,466.35x = 1,891,187,465,618.47 - Step 5: Solve for x
x = 1,891,187,465,618.47/1,564,466.35 - Step 6: Final answer
x = 1,208,838.70
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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.