Finding the Fourth Proportional to 2,839,358.16, 4,259,649.60 and 817,588.44
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Solution
The fourth proportional to 2,839,358.16, 4,259,649.60 and 817,588.44 is: 1,226,558.99
Step by Step Solution
- Step 1: Write the proportion equation
2,839,358.16 : 4,259,649.60 = 817,588.44 : x - Step 2: Convert to fraction form
2,839,358.16/4,259,649.60 = 817,588.44/x - Step 3: Cross multiply
2,839,358.16x = 4,259,649.60 × 817,588.44 - Step 4: Simplify right side
2,839,358.16x = 3,482,640,271,410.62 - Step 5: Solve for x
x = 3,482,640,271,410.62/2,839,358.16 - Step 6: Final answer
x = 1,226,558.99
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1.5x scale
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.