Finding the Fourth Proportional to 2,877,432.48, 3,970,857.28 and 1,588,273.44
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Solution
The fourth proportional to 2,877,432.48, 3,970,857.28 and 1,588,273.44 is: 2,191,817.60
Step by Step Solution
- Step 1: Write the proportion equation
2,877,432.48 : 3,970,857.28 = 1,588,273.44 : x - Step 2: Convert to fraction form
2,877,432.48/3,970,857.28 = 1,588,273.44/x - Step 3: Cross multiply
2,877,432.48x = 3,970,857.28 × 1,588,273.44 - Step 4: Simplify right side
2,877,432.48x = 6,306,807,151,854.64 - Step 5: Solve for x
x = 6,306,807,151,854.64/2,877,432.48 - Step 6: Final answer
x = 2,191,817.60
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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.