Finding the Fourth Proportional to 2,603,741.12, 3,906,235.14 and 1,086,580.10
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Solution
The fourth proportional to 2,603,741.12, 3,906,235.14 and 1,086,580.10 is: 1,630,130.33
Step by Step Solution
- Step 1: Write the proportion equation
2,603,741.12 : 3,906,235.14 = 1,086,580.10 : x - Step 2: Convert to fraction form
2,603,741.12/3,906,235.14 = 1,086,580.10/x - Step 3: Cross multiply
2,603,741.12x = 3,906,235.14 × 1,086,580.10 - Step 4: Simplify right side
2,603,741.12x = 4,244,437,369,044.71 - Step 5: Solve for x
x = 4,244,437,369,044.71/2,603,741.12 - Step 6: Final answer
x = 1,630,130.33
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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.