Finding the Fourth Proportional to 1,437,714.36, 1,983,689.19 and 947,629.53
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Solution
The fourth proportional to 1,437,714.36, 1,983,689.19 and 947,629.53 is: 1,307,493.69
Step by Step Solution
- Step 1: Write the proportion equation
1,437,714.36 : 1,983,689.19 = 947,629.53 : x - Step 2: Convert to fraction form
1,437,714.36/1,983,689.19 = 947,629.53/x - Step 3: Cross multiply
1,437,714.36x = 1,983,689.19 × 947,629.53 - Step 4: Simplify right side
1,437,714.36x = 1,879,802,454,785.78 - Step 5: Solve for x
x = 1,879,802,454,785.78/1,437,714.36 - Step 6: Final answer
x = 1,307,493.69
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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.