Finding the Fourth Proportional to 6,464,947.07, 9,697,469.21 and 2,869,747.49
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Solution
The fourth proportional to 6,464,947.07, 9,697,469.21 and 2,869,747.49 is: 4,304,642.80
Step by Step Solution
- Step 1: Write the proportion equation
6,464,947.07 : 9,697,469.21 = 2,869,747.49 : x - Step 2: Convert to fraction form
6,464,947.07/9,697,469.21 = 2,869,747.49/x - Step 3: Cross multiply
6,464,947.07x = 9,697,469.21 × 2,869,747.49 - Step 4: Simplify right side
6,464,947.07x = 27,829,287,861,913.70 - Step 5: Solve for x
x = 27,829,287,861,913.70/6,464,947.07 - Step 6: Final answer
x = 4,304,642.80
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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.