Finding the Fourth Proportional to 1,471,849.62, 2,031,320.70 and 818,540.70
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Solution
The fourth proportional to 1,471,849.62, 2,031,320.70 and 818,540.70 is: 1,129,679.72
Step by Step Solution
- Step 1: Write the proportion equation
1,471,849.62 : 2,031,320.70 = 818,540.70 : x - Step 2: Convert to fraction form
1,471,849.62/2,031,320.70 = 818,540.70/x - Step 3: Cross multiply
1,471,849.62x = 2,031,320.70 × 818,540.70 - Step 4: Simplify right side
1,471,849.62x = 1,662,718,667,702.49 - Step 5: Solve for x
x = 1,662,718,667,702.49/1,471,849.62 - Step 6: Final answer
x = 1,129,679.72
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.