Finding the Fourth Proportional to 5,775,525.55, 7,970,319.25 and 3,161,985.53
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Solution
The fourth proportional to 5,775,525.55, 7,970,319.25 and 3,161,985.53 is: 4,363,591.48
Step by Step Solution
- Step 1: Write the proportion equation
5,775,525.55 : 7,970,319.25 = 3,161,985.53 : x - Step 2: Convert to fraction form
5,775,525.55/7,970,319.25 = 3,161,985.53/x - Step 3: Cross multiply
5,775,525.55x = 7,970,319.25 × 3,161,985.53 - Step 4: Simplify right side
5,775,525.55x = 25,202,034,108,010.06 - Step 5: Solve for x
x = 25,202,034,108,010.06/5,775,525.55 - Step 6: Final answer
x = 4,363,591.48
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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.