Finding the Fourth Proportional to 5,449,074.40, 8,174,290.16 and 1,854,565.12
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Solution
The fourth proportional to 5,449,074.40, 8,174,290.16 and 1,854,565.12 is: 2,782,078.62
Step by Step Solution
- Step 1: Write the proportion equation
5,449,074.40 : 8,174,290.16 = 1,854,565.12 : x - Step 2: Convert to fraction form
5,449,074.40/8,174,290.16 = 1,854,565.12/x - Step 3: Cross multiply
5,449,074.40x = 8,174,290.16 × 1,854,565.12 - Step 4: Simplify right side
5,449,074.40x = 15,159,753,411,495.22 - Step 5: Solve for x
x = 15,159,753,411,495.22/5,449,074.40 - Step 6: Final answer
x = 2,782,078.62
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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.