Finding the Fourth Proportional to 2,427,621.84, 3,351,251.88 and 1,408,829.76
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Solution
The fourth proportional to 2,427,621.84, 3,351,251.88 and 1,408,829.76 is: 1,944,843.02
Step by Step Solution
- Step 1: Write the proportion equation
2,427,621.84 : 3,351,251.88 = 1,408,829.76 : x - Step 2: Convert to fraction form
2,427,621.84/3,351,251.88 = 1,408,829.76/x - Step 3: Cross multiply
2,427,621.84x = 3,351,251.88 × 1,408,829.76 - Step 4: Simplify right side
2,427,621.84x = 4,721,343,381,799.95 - Step 5: Solve for x
x = 4,721,343,381,799.95/2,427,621.84 - Step 6: Final answer
x = 1,944,843.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.