Finding the Fourth Proportional to 3,934,670.88, 5,430,077.24 and 2,407,070.80
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Solution
The fourth proportional to 3,934,670.88, 5,430,077.24 and 2,407,070.80 is: 3,321,899.28
Step by Step Solution
- Step 1: Write the proportion equation
3,934,670.88 : 5,430,077.24 = 2,407,070.80 : x - Step 2: Convert to fraction form
3,934,670.88/5,430,077.24 = 2,407,070.80/x - Step 3: Cross multiply
3,934,670.88x = 5,430,077.24 × 2,407,070.80 - Step 4: Simplify right side
3,934,670.88x = 13,070,580,366,148.59 - Step 5: Solve for x
x = 13,070,580,366,148.59/3,934,670.88 - Step 6: Final answer
x = 3,321,899.28
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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.