Finding the Fourth Proportional to 4,126,612.80, 6,178,109.40 and 3,654,220.80
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Solution
The fourth proportional to 4,126,612.80, 6,178,109.40 and 3,654,220.80 is: 5,470,873.32
Step by Step Solution
- Step 1: Write the proportion equation
4,126,612.80 : 6,178,109.40 = 3,654,220.80 : x - Step 2: Convert to fraction form
4,126,612.80/6,178,109.40 = 3,654,220.80/x - Step 3: Cross multiply
4,126,612.80x = 6,178,109.40 × 3,654,220.80 - Step 4: Simplify right side
4,126,612.80x = 22,576,175,874,155.52 - Step 5: Solve for x
x = 22,576,175,874,155.52/4,126,612.80 - Step 6: Final answer
x = 5,470,873.32
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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.