Finding the Fourth Proportional to 2,872,560.70, 3,964,132.80 and 1,583,422.62
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Solution
The fourth proportional to 2,872,560.70, 3,964,132.80 and 1,583,422.62 is: 2,185,122.68
Step by Step Solution
- Step 1: Write the proportion equation
2,872,560.70 : 3,964,132.80 = 1,583,422.62 : x - Step 2: Convert to fraction form
2,872,560.70/3,964,132.80 = 1,583,422.62/x - Step 3: Cross multiply
2,872,560.70x = 3,964,132.80 × 1,583,422.62 - Step 4: Simplify right side
2,872,560.70x = 6,276,897,544,203.94 - Step 5: Solve for x
x = 6,276,897,544,203.94/2,872,560.70 - Step 6: Final answer
x = 2,185,122.68
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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.