Finding the Fourth Proportional to 1,472,214.98, 2,031,728.73 and 827,837.30
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Solution
The fourth proportional to 1,472,214.98, 2,031,728.73 and 827,837.30 is: 1,142,455.99
Step by Step Solution
- Step 1: Write the proportion equation
1,472,214.98 : 2,031,728.73 = 827,837.30 : x - Step 2: Convert to fraction form
1,472,214.98/2,031,728.73 = 827,837.30/x - Step 3: Cross multiply
1,472,214.98x = 2,031,728.73 × 827,837.30 - Step 4: Simplify right side
1,472,214.98x = 1,681,940,826,175.63 - Step 5: Solve for x
x = 1,681,940,826,175.63/1,472,214.98 - Step 6: Final answer
x = 1,142,455.99
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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.