Finding the Fourth Proportional to 2,679,640.68, 4,017,201.49 and 1,162,180.71
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Solution
The fourth proportional to 2,679,640.68, 4,017,201.49 and 1,162,180.71 is: 1,742,291.08
Step by Step Solution
- Step 1: Write the proportion equation
2,679,640.68 : 4,017,201.49 = 1,162,180.71 : x - Step 2: Convert to fraction form
2,679,640.68/4,017,201.49 = 1,162,180.71/x - Step 3: Cross multiply
2,679,640.68x = 4,017,201.49 × 1,162,180.71 - Step 4: Simplify right side
2,679,640.68x = 4,668,714,053,964.35 - Step 5: Solve for x
x = 4,668,714,053,964.35/2,679,640.68 - Step 6: Final answer
x = 1,742,291.08
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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.