Finding the Fourth Proportional to 4,435,612.20, 6,640,976.70 and 4,311,196.20
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Solution
The fourth proportional to 4,435,612.20, 6,640,976.70 and 4,311,196.20 is: 6,454,701.68
Step by Step Solution
- Step 1: Write the proportion equation
4,435,612.20 : 6,640,976.70 = 4,311,196.20 : x - Step 2: Convert to fraction form
4,435,612.20/6,640,976.70 = 4,311,196.20/x - Step 3: Cross multiply
4,435,612.20x = 6,640,976.70 × 4,311,196.20 - Step 4: Simplify right side
4,435,612.20x = 28,630,553,513,328.54 - Step 5: Solve for x
x = 28,630,553,513,328.54/4,435,612.20 - Step 6: Final answer
x = 6,454,701.68
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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.