Finding the Fourth Proportional to 1,649,324.60, 2,473,207.14 and 638,919.80
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Solution
The fourth proportional to 1,649,324.60, 2,473,207.14 and 638,919.80 is: 958,077.63
Step by Step Solution
- Step 1: Write the proportion equation
1,649,324.60 : 2,473,207.14 = 638,919.80 : x - Step 2: Convert to fraction form
1,649,324.60/2,473,207.14 = 638,919.80/x - Step 3: Cross multiply
1,649,324.60x = 2,473,207.14 × 638,919.80 - Step 4: Simplify right side
1,649,324.60x = 1,580,181,011,247.37 - Step 5: Solve for x
x = 1,580,181,011,247.37/1,649,324.60 - Step 6: Final answer
x = 958,077.63
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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.