Finding the Fourth Proportional to 3,513,857.48, 4,847,248.14 and 2,137,622.12
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Solution
The fourth proportional to 3,513,857.48, 4,847,248.14 and 2,137,622.12 is: 2,948,777.78
Step by Step Solution
- Step 1: Write the proportion equation
3,513,857.48 : 4,847,248.14 = 2,137,622.12 : x - Step 2: Convert to fraction form
3,513,857.48/4,847,248.14 = 2,137,622.12/x - Step 3: Cross multiply
3,513,857.48x = 4,847,248.14 × 2,137,622.12 - Step 4: Simplify right side
3,513,857.48x = 10,361,584,845,192.86 - Step 5: Solve for x
x = 10,361,584,845,192.86/3,513,857.48 - Step 6: Final answer
x = 2,948,777.78
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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.