Finding the Fourth Proportional to 3,128,870.36, 4,694,037.85 and 969,782.63
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Solution
The fourth proportional to 3,128,870.36, 4,694,037.85 and 969,782.63 is: 1,454,900.92
Step by Step Solution
- Step 1: Write the proportion equation
3,128,870.36 : 4,694,037.85 = 969,782.63 : x - Step 2: Convert to fraction form
3,128,870.36/4,694,037.85 = 969,782.63/x - Step 3: Cross multiply
3,128,870.36x = 4,694,037.85 × 969,782.63 - Step 4: Simplify right side
3,128,870.36x = 4,552,196,366,643.63 - Step 5: Solve for x
x = 4,552,196,366,643.63/3,128,870.36 - Step 6: Final answer
x = 1,454,900.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.