Finding the Fourth Proportional to 3,580,676.20, 5,371,014.30 and 1,450,829.80
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Solution
The fourth proportional to 3,580,676.20, 5,371,014.30 and 1,450,829.80 is: 2,176,244.70
Step by Step Solution
- Step 1: Write the proportion equation
3,580,676.20 : 5,371,014.30 = 1,450,829.80 : x - Step 2: Convert to fraction form
3,580,676.20/5,371,014.30 = 1,450,829.80/x - Step 3: Cross multiply
3,580,676.20x = 5,371,014.30 × 1,450,829.80 - Step 4: Simplify right side
3,580,676.20x = 7,792,427,602,666.14 - Step 5: Solve for x
x = 7,792,427,602,666.14/3,580,676.20 - Step 6: Final answer
x = 2,176,244.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.