Finding the Fourth Proportional to 1,490,169.16, 2,235,587.08 and 543,539.88
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Solution
The fourth proportional to 1,490,169.16, 2,235,587.08 and 543,539.88 is: 815,431.41
Step by Step Solution
- Step 1: Write the proportion equation
1,490,169.16 : 2,235,587.08 = 543,539.88 : x - Step 2: Convert to fraction form
1,490,169.16/2,235,587.08 = 543,539.88/x - Step 3: Cross multiply
1,490,169.16x = 2,235,587.08 × 543,539.88 - Step 4: Simplify right side
1,490,169.16x = 1,215,130,733,192.75 - Step 5: Solve for x
x = 1,215,130,733,192.75/1,490,169.16 - Step 6: Final answer
x = 815,431.41
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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.