Finding the Fourth Proportional to 4,620,327.28, 6,373,492.09 and 2,686,374.11
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Solution
The fourth proportional to 4,620,327.28, 6,373,492.09 and 2,686,374.11 is: 3,705,708.09
Step by Step Solution
- Step 1: Write the proportion equation
4,620,327.28 : 6,373,492.09 = 2,686,374.11 : x - Step 2: Convert to fraction form
4,620,327.28/6,373,492.09 = 2,686,374.11/x - Step 3: Cross multiply
4,620,327.28x = 6,373,492.09 × 2,686,374.11 - Step 4: Simplify right side
4,620,327.28x = 17,121,584,150,083.58 - Step 5: Solve for x
x = 17,121,584,150,083.58/4,620,327.28 - Step 6: Final answer
x = 3,705,708.09
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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.