Finding the Fourth Proportional to 1,425,201.24, 1,965,631.14 and 1,103,780.28
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Solution
The fourth proportional to 1,425,201.24, 1,965,631.14 and 1,103,780.28 is: 1,522,328.80
Step by Step Solution
- Step 1: Write the proportion equation
1,425,201.24 : 1,965,631.14 = 1,103,780.28 : x - Step 2: Convert to fraction form
1,425,201.24/1,965,631.14 = 1,103,780.28/x - Step 3: Cross multiply
1,425,201.24x = 1,965,631.14 × 1,103,780.28 - Step 4: Simplify right side
1,425,201.24x = 2,169,624,890,085.92 - Step 5: Solve for x
x = 2,169,624,890,085.92/1,425,201.24 - Step 6: Final answer
x = 1,522,328.80
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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.