Finding the Fourth Proportional to 3,513,085.10, 4,847,790.45 and 2,136,238.75
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Solution
The fourth proportional to 3,513,085.10, 4,847,790.45 and 2,136,238.75 is: 2,947,847.12
Step by Step Solution
- Step 1: Write the proportion equation
3,513,085.10 : 4,847,790.45 = 2,136,238.75 : x - Step 2: Convert to fraction form
3,513,085.10/4,847,790.45 = 2,136,238.75/x - Step 3: Cross multiply
3,513,085.10x = 4,847,790.45 × 2,136,238.75 - Step 4: Simplify right side
3,513,085.10x = 10,356,037,813,224.23 - Step 5: Solve for x
x = 10,356,037,813,224.23/3,513,085.10 - Step 6: Final answer
x = 2,947,847.12
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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.