Finding the Fourth Proportional to 2,239,179.42, 3,090,099.75 and 1,220,584.14
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Solution
The fourth proportional to 2,239,179.42, 3,090,099.75 and 1,220,584.14 is: 1,684,423.64
Step by Step Solution
- Step 1: Write the proportion equation
2,239,179.42 : 3,090,099.75 = 1,220,584.14 : x - Step 2: Convert to fraction form
2,239,179.42/3,090,099.75 = 1,220,584.14/x - Step 3: Cross multiply
2,239,179.42x = 3,090,099.75 × 1,220,584.14 - Step 4: Simplify right side
2,239,179.42x = 3,771,726,745,867.97 - Step 5: Solve for x
x = 3,771,726,745,867.97/2,239,179.42 - Step 6: Final answer
x = 1,684,423.64
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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.