Finding the Fourth Proportional to 1,419,618.19, 1,958,981.91 and 775,037.02
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Solution
The fourth proportional to 1,419,618.19, 1,958,981.91 and 775,037.02 is: 1,069,501.30
Step by Step Solution
- Step 1: Write the proportion equation
1,419,618.19 : 1,958,981.91 = 775,037.02 : x - Step 2: Convert to fraction form
1,419,618.19/1,958,981.91 = 775,037.02/x - Step 3: Cross multiply
1,419,618.19x = 1,958,981.91 × 775,037.02 - Step 4: Simplify right side
1,419,618.19x = 1,518,283,501,760.31 - Step 5: Solve for x
x = 1,518,283,501,760.31/1,419,618.19 - Step 6: Final answer
x = 1,069,501.30
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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.