Finding the Fourth Proportional to 1,664,408.77, 2,288,066.97 and 1,430,975.74
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Solution
The fourth proportional to 1,664,408.77, 2,288,066.97 and 1,430,975.74 is: 1,967,165.99
Step by Step Solution
- Step 1: Write the proportion equation
1,664,408.77 : 2,288,066.97 = 1,430,975.74 : x - Step 2: Convert to fraction form
1,664,408.77/2,288,066.97 = 1,430,975.74/x - Step 3: Cross multiply
1,664,408.77x = 2,288,066.97 × 1,430,975.74 - Step 4: Simplify right side
1,664,408.77x = 3,274,168,325,565.31 - Step 5: Solve for x
x = 3,274,168,325,565.31/1,664,408.77 - Step 6: Final answer
x = 1,967,165.99
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.