Finding the Fourth Proportional to 1,486,958.22, 2,051,935.47 and 842,365.26
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Solution
The fourth proportional to 1,486,958.22, 2,051,935.47 and 842,365.26 is: 1,162,426.17
Step by Step Solution
- Step 1: Write the proportion equation
1,486,958.22 : 2,051,935.47 = 842,365.26 : x - Step 2: Convert to fraction form
1,486,958.22/2,051,935.47 = 842,365.26/x - Step 3: Cross multiply
1,486,958.22x = 2,051,935.47 × 842,365.26 - Step 4: Simplify right side
1,486,958.22x = 1,728,479,155,689.77 - Step 5: Solve for x
x = 1,728,479,155,689.77/1,486,958.22 - Step 6: Final answer
x = 1,162,426.17
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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.