Finding the Fourth Proportional to 1,609,982.13, 2,221,828.61 and 884,855.55
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Solution
The fourth proportional to 1,609,982.13, 2,221,828.61 and 884,855.55 is: 1,221,129.93
Step by Step Solution
- Step 1: Write the proportion equation
1,609,982.13 : 2,221,828.61 = 884,855.55 : x - Step 2: Convert to fraction form
1,609,982.13/2,221,828.61 = 884,855.55/x - Step 3: Cross multiply
1,609,982.13x = 2,221,828.61 × 884,855.55 - Step 4: Simplify right side
1,609,982.13x = 1,965,997,372,283.01 - Step 5: Solve for x
x = 1,965,997,372,283.01/1,609,982.13 - Step 6: Final answer
x = 1,221,129.93
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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.