Finding the Fourth Proportional to 2,110,903.50, 2,912,968.58 and 1,144,013.09
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Solution
The fourth proportional to 2,110,903.50, 2,912,968.58 and 1,144,013.09 is: 1,578,695.64
Step by Step Solution
- Step 1: Write the proportion equation
2,110,903.50 : 2,912,968.58 = 1,144,013.09 : x - Step 2: Convert to fraction form
2,110,903.50/2,912,968.58 = 1,144,013.09/x - Step 3: Cross multiply
2,110,903.50x = 2,912,968.58 × 1,144,013.09 - Step 4: Simplify right side
2,110,903.50x = 3,332,474,165,993.80 - Step 5: Solve for x
x = 3,332,474,165,993.80/2,110,903.50 - Step 6: Final answer
x = 1,578,695.64
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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.