Finding the Fourth Proportional to 2,449,465.32, 3,381,911.64 and 2,190,538.92
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Solution
The fourth proportional to 2,449,465.32, 3,381,911.64 and 2,190,538.92 is: 3,024,418.84
Step by Step Solution
- Step 1: Write the proportion equation
2,449,465.32 : 3,381,911.64 = 2,190,538.92 : x - Step 2: Convert to fraction form
2,449,465.32/3,381,911.64 = 2,190,538.92/x - Step 3: Cross multiply
2,449,465.32x = 3,381,911.64 × 2,190,538.92 - Step 4: Simplify right side
2,449,465.32x = 7,408,209,071,421.03 - Step 5: Solve for x
x = 7,408,209,071,421.03/2,449,465.32 - Step 6: Final answer
x = 3,024,418.84
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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.