Finding the Fourth Proportional to 4,998,113.80, 7,497,170.70 and 3,108,545.80
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Solution
The fourth proportional to 4,998,113.80, 7,497,170.70 and 3,108,545.80 is: 4,662,818.70
Step by Step Solution
- Step 1: Write the proportion equation
4,998,113.80 : 7,497,170.70 = 3,108,545.80 : x - Step 2: Convert to fraction form
4,998,113.80/7,497,170.70 = 3,108,545.80/x - Step 3: Cross multiply
4,998,113.80x = 7,497,170.70 × 3,108,545.80 - Step 4: Simplify right side
4,998,113.80x = 23,305,298,491,368.06 - Step 5: Solve for x
x = 23,305,298,491,368.06/4,998,113.80 - Step 6: Final answer
x = 4,662,818.70
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1.5x scale
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.