Finding the Fourth Proportional to 2,323,984.64, 3,207,176.68 and 1,291,535.93
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Solution
The fourth proportional to 2,323,984.64, 3,207,176.68 and 1,291,535.93 is: 1,782,362.87
Step by Step Solution
- Step 1: Write the proportion equation
2,323,984.64 : 3,207,176.68 = 1,291,535.93 : x - Step 2: Convert to fraction form
2,323,984.64/3,207,176.68 = 1,291,535.93/x - Step 3: Cross multiply
2,323,984.64x = 3,207,176.68 × 1,291,535.93 - Step 4: Simplify right side
2,323,984.64x = 4,142,183,920,867.22 - Step 5: Solve for x
x = 4,142,183,920,867.22/2,323,984.64 - Step 6: Final answer
x = 1,782,362.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.