Finding the Fourth Proportional to 3,177,789.60, 4,776,015.60 and 2,767,216.80
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Solution
The fourth proportional to 3,177,789.60, 4,776,015.60 and 2,767,216.80 is: 4,158,950.80
Step by Step Solution
- Step 1: Write the proportion equation
3,177,789.60 : 4,776,015.60 = 2,767,216.80 : x - Step 2: Convert to fraction form
3,177,789.60/4,776,015.60 = 2,767,216.80/x - Step 3: Cross multiply
3,177,789.60x = 4,776,015.60 × 2,767,216.80 - Step 4: Simplify right side
3,177,789.60x = 13,216,270,605,382.08 - Step 5: Solve for x
x = 13,216,270,605,382.08/3,177,789.60 - Step 6: Final answer
x = 4,158,950.80
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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.