Finding the Fourth Proportional to 2,132,392.80, 3,199,143.12 and 636,484.32
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Solution
The fourth proportional to 2,132,392.80, 3,199,143.12 and 636,484.32 is: 954,891.82
Step by Step Solution
- Step 1: Write the proportion equation
2,132,392.80 : 3,199,143.12 = 636,484.32 : x - Step 2: Convert to fraction form
2,132,392.80/3,199,143.12 = 636,484.32/x - Step 3: Cross multiply
2,132,392.80x = 3,199,143.12 × 636,484.32 - Step 4: Simplify right side
2,132,392.80x = 2,036,204,433,315.88 - Step 5: Solve for x
x = 2,036,204,433,315.88/2,132,392.80 - Step 6: Final answer
x = 954,891.82
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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.