Finding the Fourth Proportional to 5,291,037.72, 7,303,185.99 and 3,455,776.58
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Solution
The fourth proportional to 5,291,037.72, 7,303,185.99 and 3,455,776.58 is: 4,769,986.61
Step by Step Solution
- Step 1: Write the proportion equation
5,291,037.72 : 7,303,185.99 = 3,455,776.58 : x - Step 2: Convert to fraction form
5,291,037.72/7,303,185.99 = 3,455,776.58/x - Step 3: Cross multiply
5,291,037.72x = 7,303,185.99 × 3,455,776.58 - Step 4: Simplify right side
5,291,037.72x = 25,238,179,067,110.19 - Step 5: Solve for x
x = 25,238,179,067,110.19/5,291,037.72 - Step 6: Final answer
x = 4,769,986.61
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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.