Finding the Fourth Proportional to 2,521,216.75, 3,781,858.04 and 838,320.25
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Solution
The fourth proportional to 2,521,216.75, 3,781,858.04 and 838,320.25 is: 1,257,491.32
Step by Step Solution
- Step 1: Write the proportion equation
2,521,216.75 : 3,781,858.04 = 838,320.25 : x - Step 2: Convert to fraction form
2,521,216.75/3,781,858.04 = 838,320.25/x - Step 3: Cross multiply
2,521,216.75x = 3,781,858.04 × 838,320.25 - Step 4: Simplify right side
2,521,216.75x = 3,170,408,177,557.31 - Step 5: Solve for x
x = 3,170,408,177,557.31/2,521,216.75 - Step 6: Final answer
x = 1,257,491.32
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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.