Finding the Fourth Proportional to 1,566,105.40, 2,349,158.10 and 965,117.80
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Solution
The fourth proportional to 1,566,105.40, 2,349,158.10 and 965,117.80 is: 1,447,676.70
Step by Step Solution
- Step 1: Write the proportion equation
1,566,105.40 : 2,349,158.10 = 965,117.80 : x - Step 2: Convert to fraction form
1,566,105.40/2,349,158.10 = 965,117.80/x - Step 3: Cross multiply
1,566,105.40x = 2,349,158.10 × 965,117.80 - Step 4: Simplify right side
1,566,105.40x = 2,267,214,297,324.18 - Step 5: Solve for x
x = 2,267,214,297,324.18/1,566,105.40 - Step 6: Final answer
x = 1,447,676.70
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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.