Finding the Fourth Proportional to 2,679,364.40, 4,023,712.20 and 1,419,652.40
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Solution
The fourth proportional to 2,679,364.40, 4,023,712.20 and 1,419,652.40 is: 2,131,950.65
Step by Step Solution
- Step 1: Write the proportion equation
2,679,364.40 : 4,023,712.20 = 1,419,652.40 : x - Step 2: Convert to fraction form
2,679,364.40/4,023,712.20 = 1,419,652.40/x - Step 3: Cross multiply
2,679,364.40x = 4,023,712.20 × 1,419,652.40 - Step 4: Simplify right side
2,679,364.40x = 5,712,272,681,639.28 - Step 5: Solve for x
x = 5,712,272,681,639.28/2,679,364.40 - Step 6: Final answer
x = 2,131,950.65
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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.