Finding the Fourth Proportional to 3,409,396.42, 4,705,079.97 and 1,860,742.66
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Solution
The fourth proportional to 3,409,396.42, 4,705,079.97 and 1,860,742.66 is: 2,567,886.49
Step by Step Solution
- Step 1: Write the proportion equation
3,409,396.42 : 4,705,079.97 = 1,860,742.66 : x - Step 2: Convert to fraction form
3,409,396.42/4,705,079.97 = 1,860,742.66/x - Step 3: Cross multiply
3,409,396.42x = 4,705,079.97 × 1,860,742.66 - Step 4: Simplify right side
3,409,396.42x = 8,754,943,018,890.52 - Step 5: Solve for x
x = 8,754,943,018,890.52/3,409,396.42 - Step 6: Final answer
x = 2,567,886.49
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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.