Finding the Fourth Proportional to 3,879,895.19, 5,354,256.95 and 2,249,247.94
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Solution
The fourth proportional to 3,879,895.19, 5,354,256.95 and 2,249,247.94 is: 3,103,963.08
Step by Step Solution
- Step 1: Write the proportion equation
3,879,895.19 : 5,354,256.95 = 2,249,247.94 : x - Step 2: Convert to fraction form
3,879,895.19/5,354,256.95 = 2,249,247.94/x - Step 3: Cross multiply
3,879,895.19x = 5,354,256.95 × 2,249,247.94 - Step 4: Simplify right side
3,879,895.19x = 12,043,051,403,771.94 - Step 5: Solve for x
x = 12,043,051,403,771.94/3,879,895.19 - Step 6: Final answer
x = 3,103,963.08
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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.