Finding the Fourth Proportional to 2,134,776.64, 3,201,279.12 and 787,015.92
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Solution
The fourth proportional to 2,134,776.64, 3,201,279.12 and 787,015.92 is: 1,180,197.30
Step by Step Solution
- Step 1: Write the proportion equation
2,134,776.64 : 3,201,279.12 = 787,015.92 : x - Step 2: Convert to fraction form
2,134,776.64/3,201,279.12 = 787,015.92/x - Step 3: Cross multiply
2,134,776.64x = 3,201,279.12 × 787,015.92 - Step 4: Simplify right side
2,134,776.64x = 2,519,457,631,803.59 - Step 5: Solve for x
x = 2,519,457,631,803.59/2,134,776.64 - Step 6: Final answer
x = 1,180,197.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.