Finding the Fourth Proportional to 1,544,763.12, 2,131,846.16 and 964,330.08
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Solution
The fourth proportional to 1,544,763.12, 2,131,846.16 and 964,330.08 is: 1,330,821.12
Step by Step Solution
- Step 1: Write the proportion equation
1,544,763.12 : 2,131,846.16 = 964,330.08 : x - Step 2: Convert to fraction form
1,544,763.12/2,131,846.16 = 964,330.08/x - Step 3: Cross multiply
1,544,763.12x = 2,131,846.16 × 964,330.08 - Step 4: Simplify right side
1,544,763.12x = 2,055,803,378,020.49 - Step 5: Solve for x
x = 2,055,803,378,020.49/1,544,763.12 - Step 6: Final answer
x = 1,330,821.12
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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.