Finding the Fourth Proportional to 1,803,910.28, 2,705,991.66 and 724,422.65
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Solution
The fourth proportional to 1,803,910.28, 2,705,991.66 and 724,422.65 is: 1,086,684.67
Step by Step Solution
- Step 1: Write the proportion equation
1,803,910.28 : 2,705,991.66 = 724,422.65 : x - Step 2: Convert to fraction form
1,803,910.28/2,705,991.66 = 724,422.65/x - Step 3: Cross multiply
1,803,910.28x = 2,705,991.66 × 724,422.65 - Step 4: Simplify right side
1,803,910.28x = 1,960,281,635,685.14 - Step 5: Solve for x
x = 1,960,281,635,685.14/1,803,910.28 - Step 6: Final answer
x = 1,086,684.67
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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.