Finding the Fourth Proportional to 2,124,441.70, 3,187,604.44 and 1,113,323.26
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Solution
The fourth proportional to 2,124,441.70, 3,187,604.44 and 1,113,323.26 is: 1,670,478.49
Step by Step Solution
- Step 1: Write the proportion equation
2,124,441.70 : 3,187,604.44 = 1,113,323.26 : x - Step 2: Convert to fraction form
2,124,441.70/3,187,604.44 = 1,113,323.26/x - Step 3: Cross multiply
2,124,441.70x = 3,187,604.44 × 1,113,323.26 - Step 4: Simplify right side
2,124,441.70x = 3,548,834,157,165.54 - Step 5: Solve for x
x = 3,548,834,157,165.54/2,124,441.70 - Step 6: Final answer
x = 1,670,478.49
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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.