Finding the Fourth Proportional to 4,283,334.71, 6,426,964.11 and 1,855,230.62
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Solution
The fourth proportional to 4,283,334.71, 6,426,964.11 and 1,855,230.62 is: 2,783,695.74
Step by Step Solution
- Step 1: Write the proportion equation
4,283,334.71 : 6,426,964.11 = 1,855,230.62 : x - Step 2: Convert to fraction form
4,283,334.71/6,426,964.11 = 1,855,230.62/x - Step 3: Cross multiply
4,283,334.71x = 6,426,964.11 × 1,855,230.62 - Step 4: Simplify right side
4,283,334.71x = 11,923,500,578,378.23 - Step 5: Solve for x
x = 11,923,500,578,378.23/4,283,334.71 - Step 6: Final answer
x = 2,783,695.74
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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.