Finding the Fourth Proportional to 1,664,921.28, 2,496,370.60 and 652,830.67
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Solution
The fourth proportional to 1,664,921.28, 2,496,370.60 and 652,830.67 is: 978,849.46
Step by Step Solution
- Step 1: Write the proportion equation
1,664,921.28 : 2,496,370.60 = 652,830.67 : x - Step 2: Convert to fraction form
1,664,921.28/2,496,370.60 = 652,830.67/x - Step 3: Cross multiply
1,664,921.28x = 2,496,370.60 × 652,830.67 - Step 4: Simplify right side
1,664,921.28x = 1,629,707,291,366.30 - Step 5: Solve for x
x = 1,629,707,291,366.30/1,664,921.28 - Step 6: Final answer
x = 978,849.46
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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.