Finding the Fourth Proportional to 2,018,236.47, 2,782,272.38 and 1,587,768.99
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Solution
The fourth proportional to 2,018,236.47, 2,782,272.38 and 1,587,768.99 is: 2,188,844.50
Step by Step Solution
- Step 1: Write the proportion equation
2,018,236.47 : 2,782,272.38 = 1,587,768.99 : x - Step 2: Convert to fraction form
2,018,236.47/2,782,272.38 = 1,587,768.99/x - Step 3: Cross multiply
2,018,236.47x = 2,782,272.38 × 1,587,768.99 - Step 4: Simplify right side
2,018,236.47x = 4,417,605,798,758.65 - Step 5: Solve for x
x = 4,417,605,798,758.65/2,018,236.47 - Step 6: Final answer
x = 2,188,844.50
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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.