Finding the Fourth Proportional to 4,229,929.80, 6,344,894.70 and 1,238,113.80
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Solution
The fourth proportional to 4,229,929.80, 6,344,894.70 and 1,238,113.80 is: 1,857,170.70
Step by Step Solution
- Step 1: Write the proportion equation
4,229,929.80 : 6,344,894.70 = 1,238,113.80 : x - Step 2: Convert to fraction form
4,229,929.80/6,344,894.70 = 1,238,113.80/x - Step 3: Cross multiply
4,229,929.80x = 6,344,894.70 × 1,238,113.80 - Step 4: Simplify right side
4,229,929.80x = 7,855,701,687,616.86 - Step 5: Solve for x
x = 7,855,701,687,616.86/4,229,929.80 - Step 6: Final answer
x = 1,857,170.70
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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.