Finding the Fourth Proportional to 6,176,321.28, 9,265,718.79 and 2,132,956.80
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Solution
The fourth proportional to 6,176,321.28, 9,265,718.79 and 2,132,956.80 is: 3,199,862.35
Step by Step Solution
- Step 1: Write the proportion equation
6,176,321.28 : 9,265,718.79 = 2,132,956.80 : x - Step 2: Convert to fraction form
6,176,321.28/9,265,718.79 = 2,132,956.80/x - Step 3: Cross multiply
6,176,321.28x = 9,265,718.79 × 2,132,956.80 - Step 4: Simplify right side
6,176,321.28x = 19,763,377,900,018.27 - Step 5: Solve for x
x = 19,763,377,900,018.27/6,176,321.28 - Step 6: Final answer
x = 3,199,862.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.