Finding the Fourth Proportional to 2,698,217.60, 3,723,920.12 and 1,717,843.55
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Solution
The fourth proportional to 2,698,217.60, 3,723,920.12 and 1,717,843.55 is: 2,370,865.92
Step by Step Solution
- Step 1: Write the proportion equation
2,698,217.60 : 3,723,920.12 = 1,717,843.55 : x - Step 2: Convert to fraction form
2,698,217.60/3,723,920.12 = 1,717,843.55/x - Step 3: Cross multiply
2,698,217.60x = 3,723,920.12 × 1,717,843.55 - Step 4: Simplify right side
2,698,217.60x = 6,397,112,144,532.24 - Step 5: Solve for x
x = 6,397,112,144,532.24/2,698,217.60 - Step 6: Final answer
x = 2,370,865.92
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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.