Finding the Fourth Proportional to 2,830,134.16, 4,241,657.92 and 2,228,720
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Solution
The fourth proportional to 2,830,134.16, 4,241,657.92 and 2,228,720 is: 3,340,289.65
Step by Step Solution
- Step 1: Write the proportion equation
2,830,134.16 : 4,241,657.92 = 2,228,720 : x - Step 2: Convert to fraction form
2,830,134.16/4,241,657.92 = 2,228,720/x - Step 3: Cross multiply
2,830,134.16x = 4,241,657.92 × 2,228,720 - Step 4: Simplify right side
2,830,134.16x = 9,453,467,839,462.40 - Step 5: Solve for x
x = 9,453,467,839,462.40/2,830,134.16 - Step 6: Final answer
x = 3,340,289.65
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1.5x scale
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.