Finding the Fourth Proportional to 1,894,438.58, 2,613,969.13 and 1,078,592.81
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Solution
The fourth proportional to 1,894,438.58, 2,613,969.13 and 1,078,592.81 is: 1,488,255.32
Step by Step Solution
- Step 1: Write the proportion equation
1,894,438.58 : 2,613,969.13 = 1,078,592.81 : x - Step 2: Convert to fraction form
1,894,438.58/2,613,969.13 = 1,078,592.81/x - Step 3: Cross multiply
1,894,438.58x = 2,613,969.13 × 1,078,592.81 - Step 4: Simplify right side
1,894,438.58x = 2,819,408,303,786.99 - Step 5: Solve for x
x = 2,819,408,303,786.99/1,894,438.58 - Step 6: Final answer
x = 1,488,255.32
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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.