Finding the Fourth Proportional to 1,609,611.18, 2,221,262.76 and 884,505.66
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Solution
The fourth proportional to 1,609,611.18, 2,221,262.76 and 884,505.66 is: 1,220,617.44
Step by Step Solution
- Step 1: Write the proportion equation
1,609,611.18 : 2,221,262.76 = 884,505.66 : x - Step 2: Convert to fraction form
1,609,611.18/2,221,262.76 = 884,505.66/x - Step 3: Cross multiply
1,609,611.18x = 2,221,262.76 × 884,505.66 - Step 4: Simplify right side
1,609,611.18x = 1,964,719,483,567.22 - Step 5: Solve for x
x = 1,964,719,483,567.22/1,609,611.18 - Step 6: Final answer
x = 1,220,617.44
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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.