Finding the Fourth Proportional to 1,471,811.31, 2,031,267.87 and 818,502.42
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Solution
The fourth proportional to 1,471,811.31, 2,031,267.87 and 818,502.42 is: 1,129,626.91
Step by Step Solution
- Step 1: Write the proportion equation
1,471,811.31 : 2,031,267.87 = 818,502.42 : x - Step 2: Convert to fraction form
1,471,811.31/2,031,267.87 = 818,502.42/x - Step 3: Cross multiply
1,471,811.31x = 2,031,267.87 × 818,502.42 - Step 4: Simplify right side
1,471,811.31x = 1,662,597,667,263.25 - Step 5: Solve for x
x = 1,662,597,667,263.25/1,471,811.31 - Step 6: Final answer
x = 1,129,626.91
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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.