Finding the Fourth Proportional to 1,879,556.76, 2,593,790.64 and 1,020,116.88
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Solution
The fourth proportional to 1,879,556.76, 2,593,790.64 and 1,020,116.88 is: 1,407,762.55
Step by Step Solution
- Step 1: Write the proportion equation
1,879,556.76 : 2,593,790.64 = 1,020,116.88 : x - Step 2: Convert to fraction form
1,879,556.76/2,593,790.64 = 1,020,116.88/x - Step 3: Cross multiply
1,879,556.76x = 2,593,790.64 × 1,020,116.88 - Step 4: Simplify right side
1,879,556.76x = 2,645,969,615,050.00 - Step 5: Solve for x
x = 2,645,969,615,050.00/1,879,556.76 - Step 6: Final answer
x = 1,407,762.55
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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.