Finding the Fourth Proportional to 3,726,430.98, 5,142,677.22 and 2,072,752.80
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Solution
The fourth proportional to 3,726,430.98, 5,142,677.22 and 2,072,752.80 is: 2,860,511.48
Step by Step Solution
- Step 1: Write the proportion equation
3,726,430.98 : 5,142,677.22 = 2,072,752.80 : x - Step 2: Convert to fraction form
3,726,430.98/5,142,677.22 = 2,072,752.80/x - Step 3: Cross multiply
3,726,430.98x = 5,142,677.22 × 2,072,752.80 - Step 4: Simplify right side
3,726,430.98x = 10,659,498,607,251.21 - Step 5: Solve for x
x = 10,659,498,607,251.21/3,726,430.98 - Step 6: Final answer
x = 2,860,511.48
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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.