Finding the Fourth Proportional to 2,318,074.06, 3,199,133.71 and 1,285,914.62
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Solution
The fourth proportional to 2,318,074.06, 3,199,133.71 and 1,285,914.62 is: 1,774,668.41
Step by Step Solution
- Step 1: Write the proportion equation
2,318,074.06 : 3,199,133.71 = 1,285,914.62 : x - Step 2: Convert to fraction form
2,318,074.06/3,199,133.71 = 1,285,914.62/x - Step 3: Cross multiply
2,318,074.06x = 3,199,133.71 × 1,285,914.62 - Step 4: Simplify right side
2,318,074.06x = 4,113,812,811,395.80 - Step 5: Solve for x
x = 4,113,812,811,395.80/2,318,074.06 - Step 6: Final answer
x = 1,774,668.41
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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.