Finding the Fourth Proportional to 4,125,555.18, 6,189,599.75 and 1,969,331.74
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Solution
The fourth proportional to 4,125,555.18, 6,189,599.75 and 1,969,331.74 is: 2,954,602.40
Step by Step Solution
- Step 1: Write the proportion equation
4,125,555.18 : 6,189,599.75 = 1,969,331.74 : x - Step 2: Convert to fraction form
4,125,555.18/6,189,599.75 = 1,969,331.74/x - Step 3: Cross multiply
4,125,555.18x = 6,189,599.75 × 1,969,331.74 - Step 4: Simplify right side
4,125,555.18x = 12,189,375,220,250.41 - Step 5: Solve for x
x = 12,189,375,220,250.41/4,125,555.18 - Step 6: Final answer
x = 2,954,602.40
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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.