Finding the Fourth Proportional to 3,515,748, 5,299,973.24 and 3,281,387.18
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Solution
The fourth proportional to 3,515,748, 5,299,973.24 and 3,281,387.18 is: 4,946,675.42
Step by Step Solution
- Step 1: Write the proportion equation
3,515,748 : 5,299,973.24 = 3,281,387.18 : x - Step 2: Convert to fraction form
3,515,748/5,299,973.24 = 3,281,387.18/x - Step 3: Cross multiply
3,515,748x = 5,299,973.24 × 3,281,387.18 - Step 4: Simplify right side
3,515,748x = 17,391,264,227,672.13 - Step 5: Solve for x
x = 17,391,264,227,672.13/3,515,748 - Step 6: Final answer
x = 4,946,675.42
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.