Finding the Fourth Proportional to 2,991,660, 4,126,395.60 and 2,024,364.48
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Solution
The fourth proportional to 2,991,660, 4,126,395.60 and 2,024,364.48 is: 2,792,205.22
Step by Step Solution
- Step 1: Write the proportion equation
2,991,660 : 4,126,395.60 = 2,024,364.48 : x - Step 2: Convert to fraction form
2,991,660/4,126,395.60 = 2,024,364.48/x - Step 3: Cross multiply
2,991,660x = 4,126,395.60 × 2,024,364.48 - Step 4: Simplify right side
2,991,660x = 8,353,328,683,068.29 - Step 5: Solve for x
x = 8,353,328,683,068.29/2,991,660 - Step 6: Final answer
x = 2,792,205.22
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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.