Finding the Fourth Proportional to 2,232,460.48, 3,080,774.08 and 1,213,865.60
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Solution
The fourth proportional to 2,232,460.48, 3,080,774.08 and 1,213,865.60 is: 1,675,122.90
Step by Step Solution
- Step 1: Write the proportion equation
2,232,460.48 : 3,080,774.08 = 1,213,865.60 : x - Step 2: Convert to fraction form
2,232,460.48/3,080,774.08 = 1,213,865.60/x - Step 3: Cross multiply
2,232,460.48x = 3,080,774.08 × 1,213,865.60 - Step 4: Simplify right side
2,232,460.48x = 3,739,645,677,083.65 - Step 5: Solve for x
x = 3,739,645,677,083.65/2,232,460.48 - Step 6: Final answer
x = 1,675,122.90
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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.