Finding the Fourth Proportional to 3,485,620.71, 4,810,607.64 and 1,957,727.79
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Solution
The fourth proportional to 3,485,620.71, 4,810,607.64 and 1,957,727.79 is: 2,701,917.69
Step by Step Solution
- Step 1: Write the proportion equation
3,485,620.71 : 4,810,607.64 = 1,957,727.79 : x - Step 2: Convert to fraction form
3,485,620.71/4,810,607.64 = 1,957,727.79/x - Step 3: Cross multiply
3,485,620.71x = 4,810,607.64 × 1,957,727.79 - Step 4: Simplify right side
3,485,620.71x = 9,417,860,263,614.32 - Step 5: Solve for x
x = 9,417,860,263,614.32/3,485,620.71 - Step 6: Final answer
x = 2,701,917.69
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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.