Finding the Fourth Proportional to 5,487,681.45, 8,228,197.92 and 2,454,481.95
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Solution
The fourth proportional to 5,487,681.45, 8,228,197.92 and 2,454,481.95 is: 3,680,236.08
Step by Step Solution
- Step 1: Write the proportion equation
5,487,681.45 : 8,228,197.92 = 2,454,481.95 : x - Step 2: Convert to fraction form
5,487,681.45/8,228,197.92 = 2,454,481.95/x - Step 3: Cross multiply
5,487,681.45x = 8,228,197.92 × 2,454,481.95 - Step 4: Simplify right side
5,487,681.45x = 20,195,963,275,667.55 - Step 5: Solve for x
x = 20,195,963,275,667.55/5,487,681.45 - Step 6: Final answer
x = 3,680,236.08
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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.