Finding the Fourth Proportional to 1,515,452.08, 2,091,328.24 and 827,130.24
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Solution
The fourth proportional to 1,515,452.08, 2,091,328.24 and 827,130.24 is: 1,141,442.12
Step by Step Solution
- Step 1: Write the proportion equation
1,515,452.08 : 2,091,328.24 = 827,130.24 : x - Step 2: Convert to fraction form
1,515,452.08/2,091,328.24 = 827,130.24/x - Step 3: Cross multiply
1,515,452.08x = 2,091,328.24 × 827,130.24 - Step 4: Simplify right side
1,515,452.08x = 1,729,800,829,069.98 - Step 5: Solve for x
x = 1,729,800,829,069.98/1,515,452.08 - Step 6: Final answer
x = 1,141,442.12
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1.5x scale
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.