Finding the Fourth Proportional to 1,472,130.56, 2,031,548.64 and 827,545.08
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Solution
The fourth proportional to 1,472,130.56, 2,031,548.64 and 827,545.08 is: 1,142,016.97
Step by Step Solution
- Step 1: Write the proportion equation
1,472,130.56 : 2,031,548.64 = 827,545.08 : x - Step 2: Convert to fraction form
1,472,130.56/2,031,548.64 = 827,545.08/x - Step 3: Cross multiply
1,472,130.56x = 2,031,548.64 × 827,545.08 - Step 4: Simplify right side
1,472,130.56x = 1,681,198,081,812.69 - Step 5: Solve for x
x = 1,681,198,081,812.69/1,472,130.56 - Step 6: Final answer
x = 1,142,016.97
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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.