Finding the Fourth Proportional to 2,698,197.30, 3,723,448.77 and 1,474,449.30
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Solution
The fourth proportional to 2,698,197.30, 3,723,448.77 and 1,474,449.30 is: 2,034,705.33
Step by Step Solution
- Step 1: Write the proportion equation
2,698,197.30 : 3,723,448.77 = 1,474,449.30 : x - Step 2: Convert to fraction form
2,698,197.30/3,723,448.77 = 1,474,449.30/x - Step 3: Cross multiply
2,698,197.30x = 3,723,448.77 × 1,474,449.30 - Step 4: Simplify right side
2,698,197.30x = 5,490,036,432,512.36 - Step 5: Solve for x
x = 5,490,036,432,512.36/2,698,197.30 - Step 6: Final answer
x = 2,034,705.33
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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.