Finding the Fourth Proportional to 2,787,579.66, 3,846,393.63 and 1,641,888.12
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Solution
The fourth proportional to 2,787,579.66, 3,846,393.63 and 1,641,888.12 is: 2,265,530.95
Step by Step Solution
- Step 1: Write the proportion equation
2,787,579.66 : 3,846,393.63 = 1,641,888.12 : x - Step 2: Convert to fraction form
2,787,579.66/3,846,393.63 = 1,641,888.12/x - Step 3: Cross multiply
2,787,579.66x = 3,846,393.63 × 1,641,888.12 - Step 4: Simplify right side
2,787,579.66x = 6,315,348,005,940.68 - Step 5: Solve for x
x = 6,315,348,005,940.68/2,787,579.66 - Step 6: Final answer
x = 2,265,530.95
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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.