Finding the Fourth Proportional to 1,230,390.20, 1,845,585.30 and 1,177,246.10
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Solution
The fourth proportional to 1,230,390.20, 1,845,585.30 and 1,177,246.10 is: 1,765,869.15
Step by Step Solution
- Step 1: Write the proportion equation
1,230,390.20 : 1,845,585.30 = 1,177,246.10 : x - Step 2: Convert to fraction form
1,230,390.20/1,845,585.30 = 1,177,246.10/x - Step 3: Cross multiply
1,230,390.20x = 1,845,585.30 × 1,177,246.10 - Step 4: Simplify right side
1,230,390.20x = 2,172,708,096,642.33 - Step 5: Solve for x
x = 2,172,708,096,642.33/1,230,390.20 - Step 6: Final answer
x = 1,765,869.15
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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.