Finding the Fourth Proportional to 3,781,751.34, 5,674,291.98 and 1,984,201.38
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Solution
The fourth proportional to 3,781,751.34, 5,674,291.98 and 1,984,201.38 is: 2,977,175.64
Step by Step Solution
- Step 1: Write the proportion equation
3,781,751.34 : 5,674,291.98 = 1,984,201.38 : x - Step 2: Convert to fraction form
3,781,751.34/5,674,291.98 = 1,984,201.38/x - Step 3: Cross multiply
3,781,751.34x = 5,674,291.98 × 1,984,201.38 - Step 4: Simplify right side
3,781,751.34x = 11,258,937,977,238.93 - Step 5: Solve for x
x = 11,258,937,977,238.93/3,781,751.34 - Step 6: Final answer
x = 2,977,175.64
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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.