Finding the Fourth Proportional to 3,070,737.20, 4,236,246.84 and 1,780,829.84
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Solution
The fourth proportional to 3,070,737.20, 4,236,246.84 and 1,780,829.84 is: 2,456,750.38
Step by Step Solution
- Step 1: Write the proportion equation
3,070,737.20 : 4,236,246.84 = 1,780,829.84 : x - Step 2: Convert to fraction form
3,070,737.20/4,236,246.84 = 1,780,829.84/x - Step 3: Cross multiply
3,070,737.20x = 4,236,246.84 × 1,780,829.84 - Step 4: Simplify right side
3,070,737.20x = 7,544,034,782,277.71 - Step 5: Solve for x
x = 7,544,034,782,277.71/3,070,737.20 - Step 6: Final answer
x = 2,456,750.38
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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.