Finding the Fourth Proportional to 2,331,829.12, 3,217,839.24 and 1,299,283.56
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Solution
The fourth proportional to 2,331,829.12, 3,217,839.24 and 1,299,283.56 is: 1,792,963.98
Step by Step Solution
- Step 1: Write the proportion equation
2,331,829.12 : 3,217,839.24 = 1,299,283.56 : x - Step 2: Convert to fraction form
2,331,829.12/3,217,839.24 = 1,299,283.56/x - Step 3: Cross multiply
2,331,829.12x = 3,217,839.24 × 1,299,283.56 - Step 4: Simplify right side
2,331,829.12x = 4,180,885,623,254.90 - Step 5: Solve for x
x = 4,180,885,623,254.90/2,331,829.12 - Step 6: Final answer
x = 1,792,963.98
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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.