Finding the Fourth Proportional to 1,715,278.32, 2,365,535.07 and 1,070,758.08
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Solution
The fourth proportional to 1,715,278.32, 2,365,535.07 and 1,070,758.08 is: 1,476,679.18
Step by Step Solution
- Step 1: Write the proportion equation
1,715,278.32 : 2,365,535.07 = 1,070,758.08 : x - Step 2: Convert to fraction form
1,715,278.32/2,365,535.07 = 1,070,758.08/x - Step 3: Cross multiply
1,715,278.32x = 2,365,535.07 × 1,070,758.08 - Step 4: Simplify right side
1,715,278.32x = 2,532,915,789,725.87 - Step 5: Solve for x
x = 2,532,915,789,725.87/1,715,278.32 - Step 6: Final answer
x = 1,476,679.18
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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.