Finding the Fourth Proportional to 1,448,117.70, 2,172,176.55 and 606,581.70
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Solution
The fourth proportional to 1,448,117.70, 2,172,176.55 and 606,581.70 is: 909,872.55
Step by Step Solution
- Step 1: Write the proportion equation
1,448,117.70 : 2,172,176.55 = 606,581.70 : x - Step 2: Convert to fraction form
1,448,117.70/2,172,176.55 = 606,581.70/x - Step 3: Cross multiply
1,448,117.70x = 2,172,176.55 × 606,581.70 - Step 4: Simplify right side
1,448,117.70x = 1,317,602,544,399.13 - Step 5: Solve for x
x = 1,317,602,544,399.13/1,448,117.70 - Step 6: Final answer
x = 909,872.55
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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.