Finding the Fourth Proportional to 2,418,897.60, 3,630,591.45 and 1,221,660.63
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Solution
The fourth proportional to 2,418,897.60, 3,630,591.45 and 1,221,660.63 is: 1,833,624.80
Step by Step Solution
- Step 1: Write the proportion equation
2,418,897.60 : 3,630,591.45 = 1,221,660.63 : x - Step 2: Convert to fraction form
2,418,897.60/3,630,591.45 = 1,221,660.63/x - Step 3: Cross multiply
2,418,897.60x = 3,630,591.45 × 1,221,660.63 - Step 4: Simplify right side
2,418,897.60x = 4,435,350,638,079.61 - Step 5: Solve for x
x = 4,435,350,638,079.61/2,418,897.60 - Step 6: Final answer
x = 1,833,624.80
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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.