Finding the Fourth Proportional to 2,947,423.33, 4,067,443.21 and 1,640,646.99
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Solution
The fourth proportional to 2,947,423.33, 4,067,443.21 and 1,640,646.99 is: 2,264,092.30
Step by Step Solution
- Step 1: Write the proportion equation
2,947,423.33 : 4,067,443.21 = 1,640,646.99 : x - Step 2: Convert to fraction form
2,947,423.33/4,067,443.21 = 1,640,646.99/x - Step 3: Cross multiply
2,947,423.33x = 4,067,443.21 × 1,640,646.99 - Step 4: Simplify right side
2,947,423.33x = 6,673,238,459,482.44 - Step 5: Solve for x
x = 6,673,238,459,482.44/2,947,423.33 - Step 6: Final answer
x = 2,264,092.30
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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.