Finding the Fourth Proportional to 1,784,716.14, 2,461,995.99 and 1,139,458.38
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Solution
The fourth proportional to 1,784,716.14, 2,461,995.99 and 1,139,458.38 is: 1,571,870.11
Step by Step Solution
- Step 1: Write the proportion equation
1,784,716.14 : 2,461,995.99 = 1,139,458.38 : x - Step 2: Convert to fraction form
1,784,716.14/2,461,995.99 = 1,139,458.38/x - Step 3: Cross multiply
1,784,716.14x = 2,461,995.99 × 1,139,458.38 - Step 4: Simplify right side
1,784,716.14x = 2,805,341,962,331.90 - Step 5: Solve for x
x = 2,805,341,962,331.90/1,784,716.14 - Step 6: Final answer
x = 1,571,870.11
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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.