Finding the Fourth Proportional to 4,254,347.88, 6,380,549.82 and 1,221,689.79
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Solution
The fourth proportional to 4,254,347.88, 6,380,549.82 and 1,221,689.79 is: 1,832,255.56
Step by Step Solution
- Step 1: Write the proportion equation
4,254,347.88 : 6,380,549.82 = 1,221,689.79 : x - Step 2: Convert to fraction form
4,254,347.88/6,380,549.82 = 1,221,689.79/x - Step 3: Cross multiply
4,254,347.88x = 6,380,549.82 × 1,221,689.79 - Step 4: Simplify right side
4,254,347.88x = 7,795,052,569,680.34 - Step 5: Solve for x
x = 7,795,052,569,680.34/4,254,347.88 - Step 6: Final answer
x = 1,832,255.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.