Finding the Fourth Proportional to 1,756,990.81, 2,422,837.07 and 1,503,182.17
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Solution
The fourth proportional to 1,756,990.81, 2,422,837.07 and 1,503,182.17 is: 2,072,842.64
Step by Step Solution
- Step 1: Write the proportion equation
1,756,990.81 : 2,422,837.07 = 1,503,182.17 : x - Step 2: Convert to fraction form
1,756,990.81/2,422,837.07 = 1,503,182.17/x - Step 3: Cross multiply
1,756,990.81x = 2,422,837.07 × 1,503,182.17 - Step 4: Simplify right side
1,756,990.81x = 3,641,965,476,923.13 - Step 5: Solve for x
x = 3,641,965,476,923.13/1,756,990.81 - Step 6: Final answer
x = 2,072,842.64
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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.