Finding the Fourth Proportional to 2,243,189.09, 3,095,585.20 and 1,224,593.84
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Solution
The fourth proportional to 2,243,189.09, 3,095,585.20 and 1,224,593.84 is: 1,689,930.91
Step by Step Solution
- Step 1: Write the proportion equation
2,243,189.09 : 3,095,585.20 = 1,224,593.84 : x - Step 2: Convert to fraction form
2,243,189.09/3,095,585.20 = 1,224,593.84/x - Step 3: Cross multiply
2,243,189.09x = 3,095,585.20 × 1,224,593.84 - Step 4: Simplify right side
2,243,189.09x = 3,790,834,576,384.87 - Step 5: Solve for x
x = 3,790,834,576,384.87/2,243,189.09 - Step 6: Final answer
x = 1,689,930.91
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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.