Finding the Fourth Proportional to 2,828,425.20, 4,237,972.20 and 2,408,521.20
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Solution
The fourth proportional to 2,828,425.20, 4,237,972.20 and 2,408,521.20 is: 3,608,808.85
Step by Step Solution
- Step 1: Write the proportion equation
2,828,425.20 : 4,237,972.20 = 2,408,521.20 : x - Step 2: Convert to fraction form
2,828,425.20/4,237,972.20 = 2,408,521.20/x - Step 3: Cross multiply
2,828,425.20x = 4,237,972.20 × 2,408,521.20 - Step 4: Simplify right side
2,828,425.20x = 10,207,245,888,710.64 - Step 5: Solve for x
x = 10,207,245,888,710.64/2,828,425.20 - Step 6: Final answer
x = 3,608,808.85
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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.