Finding the Fourth Proportional to 4,874,220.30, 6,726,634.12 and 2,698,763.44
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Solution
The fourth proportional to 4,874,220.30, 6,726,634.12 and 2,698,763.44 is: 3,724,409.88
Step by Step Solution
- Step 1: Write the proportion equation
4,874,220.30 : 6,726,634.12 = 2,698,763.44 : x - Step 2: Convert to fraction form
4,874,220.30/6,726,634.12 = 2,698,763.44/x - Step 3: Cross multiply
4,874,220.30x = 6,726,634.12 × 2,698,763.44 - Step 4: Simplify right side
4,874,220.30x = 18,153,594,237,312.57 - Step 5: Solve for x
x = 18,153,594,237,312.57/4,874,220.30 - Step 6: Final answer
x = 3,724,409.88
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1.5x scale
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.