Finding the Fourth Proportional to 2,456,390.20, 3,684,585.30 and 1,888,863.70
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Solution
The fourth proportional to 2,456,390.20, 3,684,585.30 and 1,888,863.70 is: 2,833,295.55
Step by Step Solution
- Step 1: Write the proportion equation
2,456,390.20 : 3,684,585.30 = 1,888,863.70 : x - Step 2: Convert to fraction form
2,456,390.20/3,684,585.30 = 1,888,863.70/x - Step 3: Cross multiply
2,456,390.20x = 3,684,585.30 × 1,888,863.70 - Step 4: Simplify right side
2,456,390.20x = 6,959,679,422,723.61 - Step 5: Solve for x
x = 6,959,679,422,723.61/2,456,390.20 - Step 6: Final answer
x = 2,833,295.55
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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.