Finding the Fourth Proportional to 4,151,921.96, 5,729,655.87 and 2,316,380.53
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Solution
The fourth proportional to 4,151,921.96, 5,729,655.87 and 2,316,380.53 is: 3,196,607.11
Step by Step Solution
- Step 1: Write the proportion equation
4,151,921.96 : 5,729,655.87 = 2,316,380.53 : x - Step 2: Convert to fraction form
4,151,921.96/5,729,655.87 = 2,316,380.53/x - Step 3: Cross multiply
4,151,921.96x = 5,729,655.87 × 2,316,380.53 - Step 4: Simplify right side
4,151,921.96x = 13,272,063,260,638.03 - Step 5: Solve for x
x = 13,272,063,260,638.03/4,151,921.96 - Step 6: Final answer
x = 3,196,607.11
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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.