Finding the Fourth Proportional to 1,930,277.40, 2,663,785.94 and 1,070,837.68
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Solution
The fourth proportional to 1,930,277.40, 2,663,785.94 and 1,070,837.68 is: 1,477,757.74
Step by Step Solution
- Step 1: Write the proportion equation
1,930,277.40 : 2,663,785.94 = 1,070,837.68 : x - Step 2: Convert to fraction form
1,930,277.40/2,663,785.94 = 1,070,837.68/x - Step 3: Cross multiply
1,930,277.40x = 2,663,785.94 × 1,070,837.68 - Step 4: Simplify right side
1,930,277.40x = 2,852,482,358,683.31 - Step 5: Solve for x
x = 2,852,482,358,683.31/1,930,277.40 - Step 6: Final answer
x = 1,477,757.74
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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.