Finding the Fourth Proportional to 5,268,081.60, 7,908,027.30 and 4,075,291.80
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Solution
The fourth proportional to 5,268,081.60, 7,908,027.30 and 4,075,291.80 is: 6,117,505.62
Step by Step Solution
- Step 1: Write the proportion equation
5,268,081.60 : 7,908,027.30 = 4,075,291.80 : x - Step 2: Convert to fraction form
5,268,081.60/7,908,027.30 = 4,075,291.80/x - Step 3: Cross multiply
5,268,081.60x = 7,908,027.30 × 4,075,291.80 - Step 4: Simplify right side
5,268,081.60x = 32,227,518,809,866.14 - Step 5: Solve for x
x = 32,227,518,809,866.14/5,268,081.60 - Step 6: Final answer
x = 6,117,505.62
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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.