Finding the Fourth Proportional to 2,815,963.28, 4,219,597.44 and 1,901,562.38
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Solution
The fourth proportional to 2,815,963.28, 4,219,597.44 and 1,901,562.38 is: 2,849,407.81
Step by Step Solution
- Step 1: Write the proportion equation
2,815,963.28 : 4,219,597.44 = 1,901,562.38 : x - Step 2: Convert to fraction form
2,815,963.28/4,219,597.44 = 1,901,562.38/x - Step 3: Cross multiply
2,815,963.28x = 4,219,597.44 × 1,901,562.38 - Step 4: Simplify right side
2,815,963.28x = 8,023,827,750,648.31 - Step 5: Solve for x
x = 8,023,827,750,648.31/2,815,963.28 - Step 6: Final answer
x = 2,849,407.81
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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.