Finding the Fourth Proportional to 2,847,859.70, 4,271,789.55 and 853,315.70
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Solution
The fourth proportional to 2,847,859.70, 4,271,789.55 and 853,315.70 is: 1,279,973.55
Step by Step Solution
- Step 1: Write the proportion equation
2,847,859.70 : 4,271,789.55 = 853,315.70 : x - Step 2: Convert to fraction form
2,847,859.70/4,271,789.55 = 853,315.70/x - Step 3: Cross multiply
2,847,859.70x = 4,271,789.55 × 853,315.70 - Step 4: Simplify right side
2,847,859.70x = 3,645,185,090,110.93 - Step 5: Solve for x
x = 3,645,185,090,110.93/2,847,859.70 - Step 6: Final answer
x = 1,279,973.55
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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.