Finding the Fourth Proportional to 1,448,468.70, 2,172,703.05 and 887,819.10
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Solution
The fourth proportional to 1,448,468.70, 2,172,703.05 and 887,819.10 is: 1,331,728.65
Step by Step Solution
- Step 1: Write the proportion equation
1,448,468.70 : 2,172,703.05 = 887,819.10 : x - Step 2: Convert to fraction form
1,448,468.70/2,172,703.05 = 887,819.10/x - Step 3: Cross multiply
1,448,468.70x = 2,172,703.05 × 887,819.10 - Step 4: Simplify right side
1,448,468.70x = 1,928,967,266,418.26 - Step 5: Solve for x
x = 1,928,967,266,418.26/1,448,468.70 - Step 6: Final answer
x = 1,331,728.65
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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.