Finding the Fourth Proportional to 2,928,687.60, 4,395,655.80 and 2,529,778.80
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Solution
The fourth proportional to 2,928,687.60, 4,395,655.80 and 2,529,778.80 is: 3,796,935.14
Step by Step Solution
- Step 1: Write the proportion equation
2,928,687.60 : 4,395,655.80 = 2,529,778.80 : x - Step 2: Convert to fraction form
2,928,687.60/4,395,655.80 = 2,529,778.80/x - Step 3: Cross multiply
2,928,687.60x = 4,395,655.80 × 2,529,778.80 - Step 4: Simplify right side
2,928,687.60x = 11,120,036,854,937.04 - Step 5: Solve for x
x = 11,120,036,854,937.04/2,928,687.60 - Step 6: Final answer
x = 3,796,935.14
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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.