Finding the Fourth Proportional to 2,380,927.80, 3,285,704.44 and 1,293,220.60
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Solution
The fourth proportional to 2,380,927.80, 3,285,704.44 and 1,293,220.60 is: 1,784,657.51
Step by Step Solution
- Step 1: Write the proportion equation
2,380,927.80 : 3,285,704.44 = 1,293,220.60 : x - Step 2: Convert to fraction form
2,380,927.80/3,285,704.44 = 1,293,220.60/x - Step 3: Cross multiply
2,380,927.80x = 3,285,704.44 × 1,293,220.60 - Step 4: Simplify right side
2,380,927.80x = 4,249,140,667,319.46 - Step 5: Solve for x
x = 4,249,140,667,319.46/2,380,927.80 - Step 6: Final answer
x = 1,784,657.51
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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.