Finding the Fourth Proportional to 4,410,698.20, 6,603,605.70 and 4,286,282.20
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Solution
The fourth proportional to 4,410,698.20, 6,603,605.70 and 4,286,282.20 is: 6,417,332.65
Step by Step Solution
- Step 1: Write the proportion equation
4,410,698.20 : 6,603,605.70 = 4,286,282.20 : x - Step 2: Convert to fraction form
4,410,698.20/6,603,605.70 = 4,286,282.20/x - Step 3: Cross multiply
4,410,698.20x = 6,603,605.70 × 4,286,282.20 - Step 4: Simplify right side
4,410,698.20x = 28,304,917,567,728.54 - Step 5: Solve for x
x = 28,304,917,567,728.54/4,410,698.20 - Step 6: Final answer
x = 6,417,332.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.