Finding the Fourth Proportional to 1,776,138.38, 2,451,056.67 and 1,031,133.36
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Solution
The fourth proportional to 1,776,138.38, 2,451,056.67 and 1,031,133.36 is: 1,422,955.74
Step by Step Solution
- Step 1: Write the proportion equation
1,776,138.38 : 2,451,056.67 = 1,031,133.36 : x - Step 2: Convert to fraction form
1,776,138.38/2,451,056.67 = 1,031,133.36/x - Step 3: Cross multiply
1,776,138.38x = 2,451,056.67 × 1,031,133.36 - Step 4: Simplify right side
1,776,138.38x = 2,527,366,299,687.51 - Step 5: Solve for x
x = 2,527,366,299,687.51/1,776,138.38 - Step 6: Final answer
x = 1,422,955.74
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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.