Finding the Fourth Proportional to 3,879,939.14, 5,354,317.48 and 2,249,291.77
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Solution
The fourth proportional to 3,879,939.14, 5,354,317.48 and 2,249,291.77 is: 3,104,023.49
Step by Step Solution
- Step 1: Write the proportion equation
3,879,939.14 : 5,354,317.48 = 2,249,291.77 : x - Step 2: Convert to fraction form
3,879,939.14/5,354,317.48 = 2,249,291.77/x - Step 3: Cross multiply
3,879,939.14x = 5,354,317.48 × 2,249,291.77 - Step 4: Simplify right side
3,879,939.14x = 12,043,422,226,939.54 - Step 5: Solve for x
x = 12,043,422,226,939.54/3,879,939.14 - Step 6: Final answer
x = 3,104,023.49
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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.