Finding the Fourth Proportional to 2,267,310.78, 3,129,030.36 and 1,248,715.26
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Solution
The fourth proportional to 2,267,310.78, 3,129,030.36 and 1,248,715.26 is: 1,723,304.98
Step by Step Solution
- Step 1: Write the proportion equation
2,267,310.78 : 3,129,030.36 = 1,248,715.26 : x - Step 2: Convert to fraction form
2,267,310.78/3,129,030.36 = 1,248,715.26/x - Step 3: Cross multiply
2,267,310.78x = 3,129,030.36 × 1,248,715.26 - Step 4: Simplify right side
2,267,310.78x = 3,907,267,959,535.29 - Step 5: Solve for x
x = 3,907,267,959,535.29/2,267,310.78 - Step 6: Final answer
x = 1,723,304.98
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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.