Finding the Fourth Proportional to 1,441,442.79, 1,989,038.84 and 796,758.93
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Solution
The fourth proportional to 1,441,442.79, 1,989,038.84 and 796,758.93 is: 1,099,443.19
Step by Step Solution
- Step 1: Write the proportion equation
1,441,442.79 : 1,989,038.84 = 796,758.93 : x - Step 2: Convert to fraction form
1,441,442.79/1,989,038.84 = 796,758.93/x - Step 3: Cross multiply
1,441,442.79x = 1,989,038.84 × 796,758.93 - Step 4: Simplify right side
1,441,442.79x = 1,584,784,453,903.05 - Step 5: Solve for x
x = 1,584,784,453,903.05/1,441,442.79 - Step 6: Final answer
x = 1,099,443.19
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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.