Finding the Fourth Proportional to 2,619,113.74, 3,921,371.19 and 1,336,963.12
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Solution
The fourth proportional to 2,619,113.74, 3,921,371.19 and 1,336,963.12 is: 2,001,718.59
Step by Step Solution
- Step 1: Write the proportion equation
2,619,113.74 : 3,921,371.19 = 1,336,963.12 : x - Step 2: Convert to fraction form
2,619,113.74/3,921,371.19 = 1,336,963.12/x - Step 3: Cross multiply
2,619,113.74x = 3,921,371.19 × 1,336,963.12 - Step 4: Simplify right side
2,619,113.74x = 5,242,728,651,057.09 - Step 5: Solve for x
x = 5,242,728,651,057.09/2,619,113.74 - Step 6: Final answer
x = 2,001,718.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.