Finding the Fourth Proportional to 2,124,043.20, 3,186,064.80 and 607,723.20
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Solution
The fourth proportional to 2,124,043.20, 3,186,064.80 and 607,723.20 is: 911,584.80
Step by Step Solution
- Step 1: Write the proportion equation
2,124,043.20 : 3,186,064.80 = 607,723.20 : x - Step 2: Convert to fraction form
2,124,043.20/3,186,064.80 = 607,723.20/x - Step 3: Cross multiply
2,124,043.20x = 3,186,064.80 × 607,723.20 - Step 4: Simplify right side
2,124,043.20x = 1,936,245,495,663.36 - Step 5: Solve for x
x = 1,936,245,495,663.36/2,124,043.20 - Step 6: Final answer
x = 911,584.80
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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.