Finding the Fourth Proportional to 2,869,532.80, 3,960,134.22 and 1,580,372.85
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Solution
The fourth proportional to 2,869,532.80, 3,960,134.22 and 1,580,372.85 is: 2,181,013.09
Step by Step Solution
- Step 1: Write the proportion equation
2,869,532.80 : 3,960,134.22 = 1,580,372.85 : x - Step 2: Convert to fraction form
2,869,532.80/3,960,134.22 = 1,580,372.85/x - Step 3: Cross multiply
2,869,532.80x = 3,960,134.22 × 1,580,372.85 - Step 4: Simplify right side
2,869,532.80x = 6,258,488,603,643.93 - Step 5: Solve for x
x = 6,258,488,603,643.93/2,869,532.80 - Step 6: Final answer
x = 2,181,013.09
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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.