Finding the Fourth Proportional to 2,984,471.28, 4,118,570.52 and 1,626,343.92
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Solution
The fourth proportional to 2,984,471.28, 4,118,570.52 and 1,626,343.92 is: 2,244,354.69
Step by Step Solution
- Step 1: Write the proportion equation
2,984,471.28 : 4,118,570.52 = 1,626,343.92 : x - Step 2: Convert to fraction form
2,984,471.28/4,118,570.52 = 1,626,343.92/x - Step 3: Cross multiply
2,984,471.28x = 4,118,570.52 × 1,626,343.92 - Step 4: Simplify right side
2,984,471.28x = 6,698,212,124,293.24 - Step 5: Solve for x
x = 6,698,212,124,293.24/2,984,471.28 - Step 6: Final answer
x = 2,244,354.69
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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.