Finding the Fourth Proportional to 4,620,327.78, 6,373,492.78 and 2,686,374.62
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Solution
The fourth proportional to 4,620,327.78, 6,373,492.78 and 2,686,374.62 is: 3,705,708.78
Step by Step Solution
- Step 1: Write the proportion equation
4,620,327.78 : 6,373,492.78 = 2,686,374.62 : x - Step 2: Convert to fraction form
4,620,327.78/6,373,492.78 = 2,686,374.62/x - Step 3: Cross multiply
4,620,327.78x = 6,373,492.78 × 2,686,374.62 - Step 4: Simplify right side
4,620,327.78x = 17,121,589,199,645.91 - Step 5: Solve for x
x = 17,121,589,199,645.91/4,620,327.78 - Step 6: Final answer
x = 3,705,708.78
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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.