Finding the Fourth Proportional to 4,947,257.10, 7,420,780.02 and 1,353,024.05
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Solution
The fourth proportional to 4,947,257.10, 7,420,780.02 and 1,353,024.05 is: 2,029,507.19
Step by Step Solution
- Step 1: Write the proportion equation
4,947,257.10 : 7,420,780.02 = 1,353,024.05 : x - Step 2: Convert to fraction form
4,947,257.10/7,420,780.02 = 1,353,024.05/x - Step 3: Cross multiply
4,947,257.10x = 7,420,780.02 × 1,353,024.05 - Step 4: Simplify right side
4,947,257.10x = 10,040,493,838,920.55 - Step 5: Solve for x
x = 10,040,493,838,920.55/4,947,257.10 - Step 6: Final answer
x = 2,029,507.19
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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.