Finding the Fourth Proportional to 2,686,475.20, 4,029,712.80 and 2,392,542.40
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Solution
The fourth proportional to 2,686,475.20, 4,029,712.80 and 2,392,542.40 is: 3,588,813.60
Step by Step Solution
- Step 1: Write the proportion equation
2,686,475.20 : 4,029,712.80 = 2,392,542.40 : x - Step 2: Convert to fraction form
2,686,475.20/4,029,712.80 = 2,392,542.40/x - Step 3: Cross multiply
2,686,475.20x = 4,029,712.80 × 2,392,542.40 - Step 4: Simplify right side
2,686,475.20x = 9,641,258,733,822.72 - Step 5: Solve for x
x = 9,641,258,733,822.72/2,686,475.20 - Step 6: Final answer
x = 3,588,813.60
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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.