Finding the Fourth Proportional to 1,782,342.70, 2,458,986.66 and 1,170,824.74
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Solution
The fourth proportional to 1,782,342.70, 2,458,986.66 and 1,170,824.74 is: 1,615,313.61
Step by Step Solution
- Step 1: Write the proportion equation
1,782,342.70 : 2,458,986.66 = 1,170,824.74 : x - Step 2: Convert to fraction form
1,782,342.70/2,458,986.66 = 1,170,824.74/x - Step 3: Cross multiply
1,782,342.70x = 2,458,986.66 × 1,170,824.74 - Step 4: Simplify right side
1,782,342.70x = 2,879,042,416,857.97 - Step 5: Solve for x
x = 2,879,042,416,857.97/1,782,342.70 - Step 6: Final answer
x = 1,615,313.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.