Finding the Fourth Proportional to 4,672,588.49, 6,448,134.60 and 2,712,648.40
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Solution
The fourth proportional to 4,672,588.49, 6,448,134.60 and 2,712,648.40 is: 3,743,433.02
Step by Step Solution
- Step 1: Write the proportion equation
4,672,588.49 : 6,448,134.60 = 2,712,648.40 : x - Step 2: Convert to fraction form
4,672,588.49/6,448,134.60 = 2,712,648.40/x - Step 3: Cross multiply
4,672,588.49x = 6,448,134.60 × 2,712,648.40 - Step 4: Simplify right side
4,672,588.49x = 17,491,522,025,825.06 - Step 5: Solve for x
x = 17,491,522,025,825.06/4,672,588.49 - Step 6: Final answer
x = 3,743,433.02
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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.