Finding the Fourth Proportional to 1,541,979.65, 2,128,154.50 and 888,480.51
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Solution
The fourth proportional to 1,541,979.65, 2,128,154.50 and 888,480.51 is: 1,226,231.35
Step by Step Solution
- Step 1: Write the proportion equation
1,541,979.65 : 2,128,154.50 = 888,480.51 : x - Step 2: Convert to fraction form
1,541,979.65/2,128,154.50 = 888,480.51/x - Step 3: Cross multiply
1,541,979.65x = 2,128,154.50 × 888,480.51 - Step 4: Simplify right side
1,541,979.65x = 1,890,823,780,435.62 - Step 5: Solve for x
x = 1,890,823,780,435.62/1,541,979.65 - Step 6: Final answer
x = 1,226,231.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.