Finding the Fourth Proportional to 2,387,236.26, 3,294,386.39 and 1,299,516.09
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Solution
The fourth proportional to 2,387,236.26, 3,294,386.39 and 1,299,516.09 is: 1,793,332.39
Step by Step Solution
- Step 1: Write the proportion equation
2,387,236.26 : 3,294,386.39 = 1,299,516.09 : x - Step 2: Convert to fraction form
2,387,236.26/3,294,386.39 = 1,299,516.09/x - Step 3: Cross multiply
2,387,236.26x = 3,294,386.39 × 1,299,516.09 - Step 4: Simplify right side
2,387,236.26x = 4,281,108,113,984.43 - Step 5: Solve for x
x = 4,281,108,113,984.43/2,387,236.26 - Step 6: Final answer
x = 1,793,332.39
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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.