Finding the Fourth Proportional to 2,336,438.12, 3,224,212.26 and 1,317,828.20
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Solution
The fourth proportional to 2,336,438.12, 3,224,212.26 and 1,317,828.20 is: 1,818,562.11
Step by Step Solution
- Step 1: Write the proportion equation
2,336,438.12 : 3,224,212.26 = 1,317,828.20 : x - Step 2: Convert to fraction form
2,336,438.12/3,224,212.26 = 1,317,828.20/x - Step 3: Cross multiply
2,336,438.12x = 3,224,212.26 × 1,317,828.20 - Step 4: Simplify right side
2,336,438.12x = 4,248,957,839,013.73 - Step 5: Solve for x
x = 4,248,957,839,013.73/2,336,438.12 - Step 6: Final answer
x = 1,818,562.11
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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.