Finding the Fourth Proportional to 1,847,421.36, 2,548,716.12 and 1,072,920.36
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Solution
The fourth proportional to 1,847,421.36, 2,548,716.12 and 1,072,920.36 is: 1,480,208.83
Step by Step Solution
- Step 1: Write the proportion equation
1,847,421.36 : 2,548,716.12 = 1,072,920.36 : x - Step 2: Convert to fraction form
1,847,421.36/2,548,716.12 = 1,072,920.36/x - Step 3: Cross multiply
1,847,421.36x = 2,548,716.12 × 1,072,920.36 - Step 4: Simplify right side
1,847,421.36x = 2,734,569,417,008.20 - Step 5: Solve for x
x = 2,734,569,417,008.20/1,847,421.36 - Step 6: Final answer
x = 1,480,208.83
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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.