Finding the Fourth Proportional to 2,768,346.36, 3,820,328.53 and 1,544,703.46
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Solution
The fourth proportional to 2,768,346.36, 3,820,328.53 and 1,544,703.46 is: 2,131,696.66
Step by Step Solution
- Step 1: Write the proportion equation
2,768,346.36 : 3,820,328.53 = 1,544,703.46 : x - Step 2: Convert to fraction form
2,768,346.36/3,820,328.53 = 1,544,703.46/x - Step 3: Cross multiply
2,768,346.36x = 3,820,328.53 × 1,544,703.46 - Step 4: Simplify right side
2,768,346.36x = 5,901,274,685,215.13 - Step 5: Solve for x
x = 5,901,274,685,215.13/2,768,346.36 - Step 6: Final answer
x = 2,131,696.66
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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.