Finding the Fourth Proportional to 1,472,125.54, 2,031,541.74 and 827,540.08
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Solution
The fourth proportional to 1,472,125.54, 2,031,541.74 and 827,540.08 is: 1,142,010.09
Step by Step Solution
- Step 1: Write the proportion equation
1,472,125.54 : 2,031,541.74 = 827,540.08 : x - Step 2: Convert to fraction form
1,472,125.54/2,031,541.74 = 827,540.08/x - Step 3: Cross multiply
1,472,125.54x = 2,031,541.74 × 827,540.08 - Step 4: Simplify right side
1,472,125.54x = 1,681,182,214,042.94 - Step 5: Solve for x
x = 1,681,182,214,042.94/1,472,125.54 - Step 6: Final answer
x = 1,142,010.09
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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.