Finding the Fourth Proportional to 2,137,977.76, 3,207,261.04 and 718,439.84
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Solution
The fourth proportional to 2,137,977.76, 3,207,261.04 and 718,439.84 is: 1,077,758.69
Step by Step Solution
- Step 1: Write the proportion equation
2,137,977.76 : 3,207,261.04 = 718,439.84 : x - Step 2: Convert to fraction form
2,137,977.76/3,207,261.04 = 718,439.84/x - Step 3: Cross multiply
2,137,977.76x = 3,207,261.04 × 718,439.84 - Step 4: Simplify right side
2,137,977.76x = 2,304,224,108,415.83 - Step 5: Solve for x
x = 2,304,224,108,415.83/2,137,977.76 - Step 6: Final answer
x = 1,077,758.69
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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.