Finding the Fourth Proportional to 2,018,858.70, 3,028,822.65 and 881,132.70
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Solution
The fourth proportional to 2,018,858.70, 3,028,822.65 and 881,132.70 is: 1,321,932.38
Step by Step Solution
- Step 1: Write the proportion equation
2,018,858.70 : 3,028,822.65 = 881,132.70 : x - Step 2: Convert to fraction form
2,018,858.70/3,028,822.65 = 881,132.70/x - Step 3: Cross multiply
2,018,858.70x = 3,028,822.65 × 881,132.70 - Step 4: Simplify right side
2,018,858.70x = 2,668,794,679,415.65 - Step 5: Solve for x
x = 2,668,794,679,415.65/2,018,858.70 - Step 6: Final answer
x = 1,321,932.38
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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.