Finding the Fourth Proportional to 1,580,639.32, 2,370,875.34 and 443,480.68
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Solution
The fourth proportional to 1,580,639.32, 2,370,875.34 and 443,480.68 is: 665,197.55
Step by Step Solution
- Step 1: Write the proportion equation
1,580,639.32 : 2,370,875.34 = 443,480.68 : x - Step 2: Convert to fraction form
1,580,639.32/2,370,875.34 = 443,480.68/x - Step 3: Cross multiply
1,580,639.32x = 2,370,875.34 × 443,480.68 - Step 4: Simplify right side
1,580,639.32x = 1,051,437,407,978.43 - Step 5: Solve for x
x = 1,051,437,407,978.43/1,580,639.32 - Step 6: Final answer
x = 665,197.55
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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.