Finding the Fourth Proportional to 4,795,640.74, 6,617,905.99 and 2,620,137.07
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Solution
The fourth proportional to 4,795,640.74, 6,617,905.99 and 2,620,137.07 is: 3,615,746.41
Step by Step Solution
- Step 1: Write the proportion equation
4,795,640.74 : 6,617,905.99 = 2,620,137.07 : x - Step 2: Convert to fraction form
4,795,640.74/6,617,905.99 = 2,620,137.07/x - Step 3: Cross multiply
4,795,640.74x = 6,617,905.99 × 2,620,137.07 - Step 4: Simplify right side
4,795,640.74x = 17,339,820,787,078.94 - Step 5: Solve for x
x = 17,339,820,787,078.94/4,795,640.74 - Step 6: Final answer
x = 3,615,746.41
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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.