Finding the Fourth Proportional to 4,800,920.40, 6,625,896.84 and 2,763,815.76
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Solution
The fourth proportional to 4,800,920.40, 6,625,896.84 and 2,763,815.76 is: 3,814,426.52
Step by Step Solution
- Step 1: Write the proportion equation
4,800,920.40 : 6,625,896.84 = 2,763,815.76 : x - Step 2: Convert to fraction form
4,800,920.40/6,625,896.84 = 2,763,815.76/x - Step 3: Cross multiply
4,800,920.40x = 6,625,896.84 × 2,763,815.76 - Step 4: Simplify right side
4,800,920.40x = 18,312,758,110,526.20 - Step 5: Solve for x
x = 18,312,758,110,526.20/4,800,920.40 - Step 6: Final answer
x = 3,814,426.52
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1.5x scale
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.