Finding the Fourth Proportional to 4,671,344.75, 6,449,643.25 and 3,021,491.09
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Solution
The fourth proportional to 4,671,344.75, 6,449,643.25 and 3,021,491.09 is: 4,171,719.41
Step by Step Solution
- Step 1: Write the proportion equation
4,671,344.75 : 6,449,643.25 = 3,021,491.09 : x - Step 2: Convert to fraction form
4,671,344.75/6,449,643.25 = 3,021,491.09/x - Step 3: Cross multiply
4,671,344.75x = 6,449,643.25 × 3,021,491.09 - Step 4: Simplify right side
4,671,344.75x = 19,487,539,566,197.97 - Step 5: Solve for x
x = 19,487,539,566,197.97/4,671,344.75 - Step 6: Final answer
x = 4,171,719.41
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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.