Finding the Fourth Proportional to 3,995,373.12, 5,513,636.16 and 2,184,537.12
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Solution
The fourth proportional to 3,995,373.12, 5,513,636.16 and 2,184,537.12 is: 3,014,672.85
Step by Step Solution
- Step 1: Write the proportion equation
3,995,373.12 : 5,513,636.16 = 2,184,537.12 : x - Step 2: Convert to fraction form
3,995,373.12/5,513,636.16 = 2,184,537.12/x - Step 3: Cross multiply
3,995,373.12x = 5,513,636.16 × 2,184,537.12 - Step 4: Simplify right side
3,995,373.12x = 12,044,742,857,694.26 - Step 5: Solve for x
x = 12,044,742,857,694.26/3,995,373.12 - Step 6: Final answer
x = 3,014,672.85
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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.