Finding the Fourth Proportional to 1,687,987.50, 2,532,203.55 and 550,350.18
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Solution
The fourth proportional to 1,687,987.50, 2,532,203.55 and 550,350.18 is: 825,597.75
Step by Step Solution
- Step 1: Write the proportion equation
1,687,987.50 : 2,532,203.55 = 550,350.18 : x - Step 2: Convert to fraction form
1,687,987.50/2,532,203.55 = 550,350.18/x - Step 3: Cross multiply
1,687,987.50x = 2,532,203.55 × 550,350.18 - Step 4: Simplify right side
1,687,987.50x = 1,393,598,679,539.14 - Step 5: Solve for x
x = 1,393,598,679,539.14/1,687,987.50 - Step 6: Final answer
x = 825,597.75
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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.