Finding the Fourth Proportional to 1,767,346.26, 2,438,788.20 and 992,916.42
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Solution
The fourth proportional to 1,767,346.26, 2,438,788.20 and 992,916.42 is: 1,370,140.59
Step by Step Solution
- Step 1: Write the proportion equation
1,767,346.26 : 2,438,788.20 = 992,916.42 : x - Step 2: Convert to fraction form
1,767,346.26/2,438,788.20 = 992,916.42/x - Step 3: Cross multiply
1,767,346.26x = 2,438,788.20 × 992,916.42 - Step 4: Simplify right side
1,767,346.26x = 2,421,512,848,682.24 - Step 5: Solve for x
x = 2,421,512,848,682.24/1,767,346.26 - Step 6: Final answer
x = 1,370,140.59
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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.