Finding the Fourth Proportional to 5,531,987.24, 8,293,247.86 and 2,122,720.42
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Solution
The fourth proportional to 5,531,987.24, 8,293,247.86 and 2,122,720.42 is: 3,182,264.49
Step by Step Solution
- Step 1: Write the proportion equation
5,531,987.24 : 8,293,247.86 = 2,122,720.42 : x - Step 2: Convert to fraction form
5,531,987.24/8,293,247.86 = 2,122,720.42/x - Step 3: Cross multiply
5,531,987.24x = 8,293,247.86 × 2,122,720.42 - Step 4: Simplify right side
5,531,987.24x = 17,604,246,580,543.30 - Step 5: Solve for x
x = 17,604,246,580,543.30/5,531,987.24 - Step 6: Final answer
x = 3,182,264.49
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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.