Finding the Fourth Proportional to 5,417,202.20, 7,475,691.33 and 2,969,768.79
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Solution
The fourth proportional to 5,417,202.20, 7,475,691.33 and 2,969,768.79 is: 4,098,254.78
Step by Step Solution
- Step 1: Write the proportion equation
5,417,202.20 : 7,475,691.33 = 2,969,768.79 : x - Step 2: Convert to fraction form
5,417,202.20/7,475,691.33 = 2,969,768.79/x - Step 3: Cross multiply
5,417,202.20x = 7,475,691.33 × 2,969,768.79 - Step 4: Simplify right side
5,417,202.20x = 22,201,074,795,507.59 - Step 5: Solve for x
x = 22,201,074,795,507.59/5,417,202.20 - Step 6: Final answer
x = 4,098,254.78
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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.