Finding the Fourth Proportional to 4,795,638.74, 6,617,904.24 and 2,620,135.16
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Solution
The fourth proportional to 4,795,638.74, 6,617,904.24 and 2,620,135.16 is: 3,615,744.33
Step by Step Solution
- Step 1: Write the proportion equation
4,795,638.74 : 6,617,904.24 = 2,620,135.16 : x - Step 2: Convert to fraction form
4,795,638.74/6,617,904.24 = 2,620,135.16/x - Step 3: Cross multiply
4,795,638.74x = 6,617,904.24 × 2,620,135.16 - Step 4: Simplify right side
4,795,638.74x = 17,339,803,584,737.08 - Step 5: Solve for x
x = 17,339,803,584,737.08/4,795,638.74 - Step 6: Final answer
x = 3,615,744.33
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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.