Finding the Fourth Proportional to 1,787,665.93, 2,467,027.61 and 971,924.47
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Solution
The fourth proportional to 1,787,665.93, 2,467,027.61 and 971,924.47 is: 1,341,282.20
Step by Step Solution
- Step 1: Write the proportion equation
1,787,665.93 : 2,467,027.61 = 971,924.47 : x - Step 2: Convert to fraction form
1,787,665.93/2,467,027.61 = 971,924.47/x - Step 3: Cross multiply
1,787,665.93x = 2,467,027.61 × 971,924.47 - Step 4: Simplify right side
1,787,665.93x = 2,397,764,497,464.99 - Step 5: Solve for x
x = 2,397,764,497,464.99/1,787,665.93 - Step 6: Final answer
x = 1,341,282.20
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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.