Finding the Fourth Proportional to 2,380,776.46, 3,285,495.21 and 1,293,069.31
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Solution
The fourth proportional to 2,380,776.46, 3,285,495.21 and 1,293,069.31 is: 1,784,448.52
Step by Step Solution
- Step 1: Write the proportion equation
2,380,776.46 : 3,285,495.21 = 1,293,069.31 : x - Step 2: Convert to fraction form
2,380,776.46/3,285,495.21 = 1,293,069.31/x - Step 3: Cross multiply
2,380,776.46x = 3,285,495.21 × 1,293,069.31 - Step 4: Simplify right side
2,380,776.46x = 4,248,373,024,203.01 - Step 5: Solve for x
x = 4,248,373,024,203.01/2,380,776.46 - Step 6: Final answer
x = 1,784,448.52
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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.