Finding the Fourth Proportional to 4,176,612.80, 6,264,919.20 and 1,937,124.80
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Solution
The fourth proportional to 4,176,612.80, 6,264,919.20 and 1,937,124.80 is: 2,905,687.20
Step by Step Solution
- Step 1: Write the proportion equation
4,176,612.80 : 6,264,919.20 = 1,937,124.80 : x - Step 2: Convert to fraction form
4,176,612.80/6,264,919.20 = 1,937,124.80/x - Step 3: Cross multiply
4,176,612.80x = 6,264,919.20 × 1,937,124.80 - Step 4: Simplify right side
4,176,612.80x = 12,135,930,352,316.16 - Step 5: Solve for x
x = 12,135,930,352,316.16/4,176,612.80 - Step 6: Final answer
x = 2,905,687.20
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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.