Finding the Fourth Proportional to 1,828,372.31, 2,522,316.36 and 1,184,000.12
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Solution
The fourth proportional to 1,828,372.31, 2,522,316.36 and 1,184,000.12 is: 1,633,377.87
Step by Step Solution
- Step 1: Write the proportion equation
1,828,372.31 : 2,522,316.36 = 1,184,000.12 : x - Step 2: Convert to fraction form
1,828,372.31/2,522,316.36 = 1,184,000.12/x - Step 3: Cross multiply
1,828,372.31x = 2,522,316.36 × 1,184,000.12 - Step 4: Simplify right side
1,828,372.31x = 2,986,422,872,917.96 - Step 5: Solve for x
x = 2,986,422,872,917.96/1,828,372.31 - Step 6: Final answer
x = 1,633,377.87
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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.