Finding the Fourth Proportional to 2,120,599.36, 2,926,394.94 and 1,153,707.54
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Solution
The fourth proportional to 2,120,599.36, 2,926,394.94 and 1,153,707.54 is: 1,592,098.90
Step by Step Solution
- Step 1: Write the proportion equation
2,120,599.36 : 2,926,394.94 = 1,153,707.54 : x - Step 2: Convert to fraction form
2,120,599.36/2,926,394.94 = 1,153,707.54/x - Step 3: Cross multiply
2,120,599.36x = 2,926,394.94 × 1,153,707.54 - Step 4: Simplify right side
2,120,599.36x = 3,376,203,907,295.85 - Step 5: Solve for x
x = 3,376,203,907,295.85/2,120,599.36 - Step 6: Final answer
x = 1,592,098.90
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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.