Finding the Fourth Proportional to 2,018,361.11, 2,785,317.98 and 1,100,587.95
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Solution
The fourth proportional to 2,018,361.11, 2,785,317.98 and 1,100,587.95 is: 1,518,800.27
Step by Step Solution
- Step 1: Write the proportion equation
2,018,361.11 : 2,785,317.98 = 1,100,587.95 : x - Step 2: Convert to fraction form
2,018,361.11/2,785,317.98 = 1,100,587.95/x - Step 3: Cross multiply
2,018,361.11x = 2,785,317.98 × 1,100,587.95 - Step 4: Simplify right side
2,018,361.11x = 3,065,487,400,203.40 - Step 5: Solve for x
x = 3,065,487,400,203.40/2,018,361.11 - Step 6: Final answer
x = 1,518,800.27
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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.