Finding the Fourth Proportional to 2,790,810.32, 3,850,219.14 and 1,612,630.74
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Solution
The fourth proportional to 2,790,810.32, 3,850,219.14 and 1,612,630.74 is: 2,224,795.32
Step by Step Solution
- Step 1: Write the proportion equation
2,790,810.32 : 3,850,219.14 = 1,612,630.74 : x - Step 2: Convert to fraction form
2,790,810.32/3,850,219.14 = 1,612,630.74/x - Step 3: Cross multiply
2,790,810.32x = 3,850,219.14 × 1,612,630.74 - Step 4: Simplify right side
2,790,810.32x = 6,208,981,740,900.36 - Step 5: Solve for x
x = 6,208,981,740,900.36/2,790,810.32 - Step 6: Final answer
x = 2,224,795.32
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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.