Finding the Fourth Proportional to 1,339,758.97, 2,007,298.35 and 1,116,553.75
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Solution
The fourth proportional to 1,339,758.97, 2,007,298.35 and 1,116,553.75 is: 1,672,880.38
Step by Step Solution
- Step 1: Write the proportion equation
1,339,758.97 : 2,007,298.35 = 1,116,553.75 : x - Step 2: Convert to fraction form
1,339,758.97/2,007,298.35 = 1,116,553.75/x - Step 3: Cross multiply
1,339,758.97x = 2,007,298.35 × 1,116,553.75 - Step 4: Simplify right side
1,339,758.97x = 2,241,256,500,061.31 - Step 5: Solve for x
x = 2,241,256,500,061.31/1,339,758.97 - Step 6: Final answer
x = 1,672,880.38
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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.