Finding the Fourth Proportional to 4,362,919.74, 6,021,077.49 and 2,621,121.93
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Solution
The fourth proportional to 4,362,919.74, 6,021,077.49 and 2,621,121.93 is: 3,617,297.40
Step by Step Solution
- Step 1: Write the proportion equation
4,362,919.74 : 6,021,077.49 = 2,621,121.93 : x - Step 2: Convert to fraction form
4,362,919.74/6,021,077.49 = 2,621,121.93/x - Step 3: Cross multiply
4,362,919.74x = 6,021,077.49 × 2,621,121.93 - Step 4: Simplify right side
4,362,919.74x = 15,781,978,251,268.36 - Step 5: Solve for x
x = 15,781,978,251,268.36/4,362,919.74 - Step 6: Final answer
x = 3,617,297.40
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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.