Finding the Fourth Proportional to 4,663,280.70, 6,995,905.20 and 1,468,729.80
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Solution
The fourth proportional to 4,663,280.70, 6,995,905.20 and 1,468,729.80 is: 2,203,404.66
Step by Step Solution
- Step 1: Write the proportion equation
4,663,280.70 : 6,995,905.20 = 1,468,729.80 : x - Step 2: Convert to fraction form
4,663,280.70/6,995,905.20 = 1,468,729.80/x - Step 3: Cross multiply
4,663,280.70x = 6,995,905.20 × 1,468,729.80 - Step 4: Simplify right side
4,663,280.70x = 10,275,094,445,214.96 - Step 5: Solve for x
x = 10,275,094,445,214.96/4,663,280.70 - Step 6: Final answer
x = 2,203,404.66
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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.