Finding the Fourth Proportional to 1,939,955.26, 2,677,139.00 and 1,124,631.58
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Solution
The fourth proportional to 1,939,955.26, 2,677,139.00 and 1,124,631.58 is: 1,551,992.01
Step by Step Solution
- Step 1: Write the proportion equation
1,939,955.26 : 2,677,139.00 = 1,124,631.58 : x - Step 2: Convert to fraction form
1,939,955.26/2,677,139.00 = 1,124,631.58/x - Step 3: Cross multiply
1,939,955.26x = 2,677,139.00 × 1,124,631.58 - Step 4: Simplify right side
1,939,955.26x = 3,010,795,065,390.25 - Step 5: Solve for x
x = 3,010,795,065,390.25/1,939,955.26 - Step 6: Final answer
x = 1,551,992.01
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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.