Finding the Fourth Proportional to 1,879,651.32, 2,593,849.24 and 1,020,193.12
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Solution
The fourth proportional to 1,879,651.32, 2,593,849.24 and 1,020,193.12 is: 1,407,828.74
Step by Step Solution
- Step 1: Write the proportion equation
1,879,651.32 : 2,593,849.24 = 1,020,193.12 : x - Step 2: Convert to fraction form
1,879,651.32/2,593,849.24 = 1,020,193.12/x - Step 3: Cross multiply
1,879,651.32x = 2,593,849.24 × 1,020,193.12 - Step 4: Simplify right side
1,879,651.32x = 2,646,227,148,965.23 - Step 5: Solve for x
x = 2,646,227,148,965.23/1,879,651.32 - Step 6: Final answer
x = 1,407,828.74
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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.