Finding the Fourth Proportional to 3,768,176.70, 5,201,254.64 and 2,995,179.12
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Solution
The fourth proportional to 3,768,176.70, 5,201,254.64 and 2,995,179.12 is: 4,134,277.81
Step by Step Solution
- Step 1: Write the proportion equation
3,768,176.70 : 5,201,254.64 = 2,995,179.12 : x - Step 2: Convert to fraction form
3,768,176.70/5,201,254.64 = 2,995,179.12/x - Step 3: Cross multiply
3,768,176.70x = 5,201,254.64 × 2,995,179.12 - Step 4: Simplify right side
3,768,176.70x = 15,578,689,303,019.06 - Step 5: Solve for x
x = 15,578,689,303,019.06/3,768,176.70 - Step 6: Final answer
x = 4,134,277.81
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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.