Finding the Fourth Proportional to 4,145,533.11, 5,718,219.12 and 2,854,131.48
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Solution
The fourth proportional to 4,145,533.11, 5,718,219.12 and 2,854,131.48 is: 3,936,899.98
Step by Step Solution
- Step 1: Write the proportion equation
4,145,533.11 : 5,718,219.12 = 2,854,131.48 : x - Step 2: Convert to fraction form
4,145,533.11/5,718,219.12 = 2,854,131.48/x - Step 3: Cross multiply
4,145,533.11x = 5,718,219.12 × 2,854,131.48 - Step 4: Simplify right side
4,145,533.11x = 16,320,549,199,929.90 - Step 5: Solve for x
x = 16,320,549,199,929.90/4,145,533.11 - Step 6: Final answer
x = 3,936,899.98
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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.