Finding the Fourth Proportional to 1,932,855.23, 2,668,674.62 and 1,208,028.74
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Solution
The fourth proportional to 1,932,855.23, 2,668,674.62 and 1,208,028.74 is: 1,667,913.66
Step by Step Solution
- Step 1: Write the proportion equation
1,932,855.23 : 2,668,674.62 = 1,208,028.74 : x - Step 2: Convert to fraction form
1,932,855.23/2,668,674.62 = 1,208,028.74/x - Step 3: Cross multiply
1,932,855.23x = 2,668,674.62 × 1,208,028.74 - Step 4: Simplify right side
1,932,855.23x = 3,223,835,632,628.44 - Step 5: Solve for x
x = 3,223,835,632,628.44/1,932,855.23 - Step 6: Final answer
x = 1,667,913.66
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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.