Finding the Fourth Proportional to 1,930,354.74, 2,664,125.78 and 1,114,557.05
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Solution
The fourth proportional to 1,930,354.74, 2,664,125.78 and 1,114,557.05 is: 1,538,225.13
Step by Step Solution
- Step 1: Write the proportion equation
1,930,354.74 : 2,664,125.78 = 1,114,557.05 : x - Step 2: Convert to fraction form
1,930,354.74/2,664,125.78 = 1,114,557.05/x - Step 3: Cross multiply
1,930,354.74x = 2,664,125.78 × 1,114,557.05 - Step 4: Simplify right side
1,930,354.74x = 2,969,320,171,273.28 - Step 5: Solve for x
x = 2,969,320,171,273.28/1,930,354.74 - Step 6: Final answer
x = 1,538,225.13
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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.