Finding the Fourth Proportional to 3,057,650.36, 4,219,449.93 and 1,680,984.09
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Solution
The fourth proportional to 3,057,650.36, 4,219,449.93 and 1,680,984.09 is: 2,319,698.91
Step by Step Solution
- Step 1: Write the proportion equation
3,057,650.36 : 4,219,449.93 = 1,680,984.09 : x - Step 2: Convert to fraction form
3,057,650.36/4,219,449.93 = 1,680,984.09/x - Step 3: Cross multiply
3,057,650.36x = 4,219,449.93 × 1,680,984.09 - Step 4: Simplify right side
3,057,650.36x = 7,092,828,200,881.61 - Step 5: Solve for x
x = 7,092,828,200,881.61/3,057,650.36 - Step 6: Final answer
x = 2,319,698.91
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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.