Finding the Fourth Proportional to 2,181,555.99, 3,273,828.66 and 761,612.07
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Solution
The fourth proportional to 2,181,555.99, 3,273,828.66 and 761,612.07 is: 1,142,939.91
Step by Step Solution
- Step 1: Write the proportion equation
2,181,555.99 : 3,273,828.66 = 761,612.07 : x - Step 2: Convert to fraction form
2,181,555.99/3,273,828.66 = 761,612.07/x - Step 3: Cross multiply
2,181,555.99x = 3,273,828.66 × 761,612.07 - Step 4: Simplify right side
2,181,555.99x = 2,493,387,404,294.75 - Step 5: Solve for x
x = 2,493,387,404,294.75/2,181,555.99 - Step 6: Final answer
x = 1,142,939.91
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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.