Finding the Fourth Proportional to 2,246,963.81, 3,100,821 and 1,228,368.56
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Solution
The fourth proportional to 2,246,963.81, 3,100,821 and 1,228,368.56 is: 1,695,154.60
Step by Step Solution
- Step 1: Write the proportion equation
2,246,963.81 : 3,100,821 = 1,228,368.56 : x - Step 2: Convert to fraction form
2,246,963.81/3,100,821 = 1,228,368.56/x - Step 3: Cross multiply
2,246,963.81x = 3,100,821 × 1,228,368.56 - Step 4: Simplify right side
2,246,963.81x = 3,808,951,034,339.81 - Step 5: Solve for x
x = 3,808,951,034,339.81/2,246,963.81 - Step 6: Final answer
x = 1,695,154.60
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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.