Finding the Fourth Proportional to 2,144,984.14, 2,959,357.78 and 1,214,564.63
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Solution
The fourth proportional to 2,144,984.14, 2,959,357.78 and 1,214,564.63 is: 1,675,691.31
Step by Step Solution
- Step 1: Write the proportion equation
2,144,984.14 : 2,959,357.78 = 1,214,564.63 : x - Step 2: Convert to fraction form
2,144,984.14/2,959,357.78 = 1,214,564.63/x - Step 3: Cross multiply
2,144,984.14x = 2,959,357.78 × 1,214,564.63 - Step 4: Simplify right side
2,144,984.14x = 3,594,331,273,824.74 - Step 5: Solve for x
x = 3,594,331,273,824.74/2,144,984.14 - Step 6: Final answer
x = 1,675,691.31
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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.