Finding the Fourth Proportional to 1,668,448.63, 2,302,119.58 and 980,232.54
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Solution
The fourth proportional to 1,668,448.63, 2,302,119.58 and 980,232.54 is: 1,352,521.42
Step by Step Solution
- Step 1: Write the proportion equation
1,668,448.63 : 2,302,119.58 = 980,232.54 : x - Step 2: Convert to fraction form
1,668,448.63/2,302,119.58 = 980,232.54/x - Step 3: Cross multiply
1,668,448.63x = 2,302,119.58 × 980,232.54 - Step 4: Simplify right side
1,668,448.63x = 2,256,612,514,041.54 - Step 5: Solve for x
x = 2,256,612,514,041.54/1,668,448.63 - Step 6: Final answer
x = 1,352,521.42
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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.