Finding the Fourth Proportional to 3,402,441.84, 5,103,109.17 and 1,380,604.08
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Solution
The fourth proportional to 3,402,441.84, 5,103,109.17 and 1,380,604.08 is: 2,070,681.49
Step by Step Solution
- Step 1: Write the proportion equation
3,402,441.84 : 5,103,109.17 = 1,380,604.08 : x - Step 2: Convert to fraction form
3,402,441.84/5,103,109.17 = 1,380,604.08/x - Step 3: Cross multiply
3,402,441.84x = 5,103,109.17 × 1,380,604.08 - Step 4: Simplify right side
3,402,441.84x = 7,045,373,340,787.41 - Step 5: Solve for x
x = 7,045,373,340,787.41/3,402,441.84 - Step 6: Final answer
x = 2,070,681.49
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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.