Finding the Fourth Proportional to 1,471,753.75, 2,031,182.01 and 843,157.17
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Solution
The fourth proportional to 1,471,753.75, 2,031,182.01 and 843,157.17 is: 1,163,649.61
Step by Step Solution
- Step 1: Write the proportion equation
1,471,753.75 : 2,031,182.01 = 843,157.17 : x - Step 2: Convert to fraction form
1,471,753.75/2,031,182.01 = 843,157.17/x - Step 3: Cross multiply
1,471,753.75x = 2,031,182.01 × 843,157.17 - Step 4: Simplify right side
1,471,753.75x = 1,712,605,675,306.51 - Step 5: Solve for x
x = 1,712,605,675,306.51/1,471,753.75 - Step 6: Final answer
x = 1,163,649.61
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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.