Finding the Fourth Proportional to 1,382,149.30, 1,908,338.58 and 969,563.26
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Solution
The fourth proportional to 1,382,149.30, 1,908,338.58 and 969,563.26 is: 1,338,679.53
Step by Step Solution
- Step 1: Write the proportion equation
1,382,149.30 : 1,908,338.58 = 969,563.26 : x - Step 2: Convert to fraction form
1,382,149.30/1,908,338.58 = 969,563.26/x - Step 3: Cross multiply
1,382,149.30x = 1,908,338.58 × 969,563.26 - Step 4: Simplify right side
1,382,149.30x = 1,850,254,974,808.57 - Step 5: Solve for x
x = 1,850,254,974,808.57/1,382,149.30 - Step 6: Final answer
x = 1,338,679.53
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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.