Finding the Fourth Proportional to 1,593,609.64, 2,198,557.05 and 980,698.32
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Solution
The fourth proportional to 1,593,609.64, 2,198,557.05 and 980,698.32 is: 1,352,979.52
Step by Step Solution
- Step 1: Write the proportion equation
1,593,609.64 : 2,198,557.05 = 980,698.32 : x - Step 2: Convert to fraction form
1,593,609.64/2,198,557.05 = 980,698.32/x - Step 3: Cross multiply
1,593,609.64x = 2,198,557.05 × 980,698.32 - Step 4: Simplify right side
1,593,609.64x = 2,156,121,216,128.31 - Step 5: Solve for x
x = 2,156,121,216,128.31/1,593,609.64 - Step 6: Final answer
x = 1,352,979.52
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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.