Finding the Fourth Proportional to 1,609,615.68, 2,221,268.97 and 884,510.16
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Solution
The fourth proportional to 1,609,615.68, 2,221,268.97 and 884,510.16 is: 1,220,623.65
Step by Step Solution
- Step 1: Write the proportion equation
1,609,615.68 : 2,221,268.97 = 884,510.16 : x - Step 2: Convert to fraction form
1,609,615.68/2,221,268.97 = 884,510.16/x - Step 3: Cross multiply
1,609,615.68x = 2,221,268.97 × 884,510.16 - Step 4: Simplify right side
1,609,615.68x = 1,964,734,972,057.74 - Step 5: Solve for x
x = 1,964,734,972,057.74/1,609,615.68 - Step 6: Final answer
x = 1,220,623.65
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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.