Finding the Fourth Proportional to 1,639,827.32, 2,263,063.07 and 904,777.99
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Solution
The fourth proportional to 1,639,827.32, 2,263,063.07 and 904,777.99 is: 1,248,649.56
Step by Step Solution
- Step 1: Write the proportion equation
1,639,827.32 : 2,263,063.07 = 904,777.99 : x - Step 2: Convert to fraction form
1,639,827.32/2,263,063.07 = 904,777.99/x - Step 3: Cross multiply
1,639,827.32x = 2,263,063.07 × 904,777.99 - Step 4: Simplify right side
1,639,827.32x = 2,047,569,660,808.60 - Step 5: Solve for x
x = 2,047,569,660,808.60/1,639,827.32 - Step 6: Final answer
x = 1,248,649.56
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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.