Finding the Fourth Proportional to 3,369,420.14, 4,650,625.98 and 1,919,969.96
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Solution
The fourth proportional to 3,369,420.14, 4,650,625.98 and 1,919,969.96 is: 2,650,029.32
Step by Step Solution
- Step 1: Write the proportion equation
3,369,420.14 : 4,650,625.98 = 1,919,969.96 : x - Step 2: Convert to fraction form
3,369,420.14/4,650,625.98 = 1,919,969.96/x - Step 3: Cross multiply
3,369,420.14x = 4,650,625.98 × 1,919,969.96 - Step 4: Simplify right side
3,369,420.14x = 8,929,062,176,795.56 - Step 5: Solve for x
x = 8,929,062,176,795.56/3,369,420.14 - Step 6: Final answer
x = 2,650,029.32
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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.