Finding the Fourth Proportional to 1,330,197.64, 1,835,568.21 and 749,395.15
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Solution
The fourth proportional to 1,330,197.64, 1,835,568.21 and 749,395.15 is: 1,034,106.42
Step by Step Solution
- Step 1: Write the proportion equation
1,330,197.64 : 1,835,568.21 = 749,395.15 : x - Step 2: Convert to fraction form
1,330,197.64/1,835,568.21 = 749,395.15/x - Step 3: Cross multiply
1,330,197.64x = 1,835,568.21 × 749,395.15 - Step 4: Simplify right side
1,330,197.64x = 1,375,565,914,068.18 - Step 5: Solve for x
x = 1,375,565,914,068.18/1,330,197.64 - Step 6: Final answer
x = 1,034,106.42
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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.