Finding the Fourth Proportional to 2,828,879.18, 3,903,850.28 and 1,539,716.49
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Solution
The fourth proportional to 2,828,879.18, 3,903,850.28 and 1,539,716.49 is: 2,124,807.13
Step by Step Solution
- Step 1: Write the proportion equation
2,828,879.18 : 3,903,850.28 = 1,539,716.49 : x - Step 2: Convert to fraction form
2,828,879.18/3,903,850.28 = 1,539,716.49/x - Step 3: Cross multiply
2,828,879.18x = 3,903,850.28 × 1,539,716.49 - Step 4: Simplify right side
2,828,879.18x = 6,010,822,642,908.53 - Step 5: Solve for x
x = 6,010,822,642,908.53/2,828,879.18 - Step 6: Final answer
x = 2,124,807.13
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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.