Finding the Fourth Proportional to 1,563,244.20, 2,344,866.30 and 664,387.20
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Solution
The fourth proportional to 1,563,244.20, 2,344,866.30 and 664,387.20 is: 996,580.80
Step by Step Solution
- Step 1: Write the proportion equation
1,563,244.20 : 2,344,866.30 = 664,387.20 : x - Step 2: Convert to fraction form
1,563,244.20/2,344,866.30 = 664,387.20/x - Step 3: Cross multiply
1,563,244.20x = 2,344,866.30 × 664,387.20 - Step 4: Simplify right side
1,563,244.20x = 1,557,899,155,431.36 - Step 5: Solve for x
x = 1,557,899,155,431.36/1,563,244.20 - Step 6: Final answer
x = 996,580.80
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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.