Finding the Fourth Proportional to 1,667,235.30, 2,299,515.23 and 1,435,057.41
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Solution
The fourth proportional to 1,667,235.30, 2,299,515.23 and 1,435,057.41 is: 1,979,286.52
Step by Step Solution
- Step 1: Write the proportion equation
1,667,235.30 : 2,299,515.23 = 1,435,057.41 : x - Step 2: Convert to fraction form
1,667,235.30/2,299,515.23 = 1,435,057.41/x - Step 3: Cross multiply
1,667,235.30x = 2,299,515.23 × 1,435,057.41 - Step 4: Simplify right side
1,667,235.30x = 3,299,936,361,423.21 - Step 5: Solve for x
x = 3,299,936,361,423.21/1,667,235.30 - Step 6: Final answer
x = 1,979,286.52
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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.