Finding the Fourth Proportional to 2,534,130.36, 3,497,100.66 and 1,388,251.80
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Solution
The fourth proportional to 2,534,130.36, 3,497,100.66 and 1,388,251.80 is: 1,915,787.90
Step by Step Solution
- Step 1: Write the proportion equation
2,534,130.36 : 3,497,100.66 = 1,388,251.80 : x - Step 2: Convert to fraction form
2,534,130.36/3,497,100.66 = 1,388,251.80/x - Step 3: Cross multiply
2,534,130.36x = 3,497,100.66 × 1,388,251.80 - Step 4: Simplify right side
2,534,130.36x = 4,854,856,286,026.19 - Step 5: Solve for x
x = 4,854,856,286,026.19/2,534,130.36 - Step 6: Final answer
x = 1,915,787.90
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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.