Finding the Fourth Proportional to 2,566,378.88, 3,541,549.96 and 1,420,390.88
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Solution
The fourth proportional to 2,566,378.88, 3,541,549.96 and 1,420,390.88 is: 1,960,110.14
Step by Step Solution
- Step 1: Write the proportion equation
2,566,378.88 : 3,541,549.96 = 1,420,390.88 : x - Step 2: Convert to fraction form
2,566,378.88/3,541,549.96 = 1,420,390.88/x - Step 3: Cross multiply
2,566,378.88x = 3,541,549.96 × 1,420,390.88 - Step 4: Simplify right side
2,566,378.88x = 5,030,385,264,248.36 - Step 5: Solve for x
x = 5,030,385,264,248.36/2,566,378.88 - Step 6: Final answer
x = 1,960,110.14
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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.