Finding the Fourth Proportional to 1,869,412.76, 2,804,119.08 and 449,468.84
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Solution
The fourth proportional to 1,869,412.76, 2,804,119.08 and 449,468.84 is: 674,203.25
Step by Step Solution
- Step 1: Write the proportion equation
1,869,412.76 : 2,804,119.08 = 449,468.84 : x - Step 2: Convert to fraction form
1,869,412.76/2,804,119.08 = 449,468.84/x - Step 3: Cross multiply
1,869,412.76x = 2,804,119.08 × 449,468.84 - Step 4: Simplify right side
1,869,412.76x = 1,260,364,150,109.47 - Step 5: Solve for x
x = 1,260,364,150,109.47/1,869,412.76 - Step 6: Final answer
x = 674,203.25
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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.