Finding the Fourth Proportional to 1,612,420.26, 2,418,980.30 and 490,460.10
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Solution
The fourth proportional to 1,612,420.26, 2,418,980.30 and 490,460.10 is: 735,796.58
Step by Step Solution
- Step 1: Write the proportion equation
1,612,420.26 : 2,418,980.30 = 490,460.10 : x - Step 2: Convert to fraction form
1,612,420.26/2,418,980.30 = 490,460.10/x - Step 3: Cross multiply
1,612,420.26x = 2,418,980.30 × 490,460.10 - Step 4: Simplify right side
1,612,420.26x = 1,186,413,319,836.03 - Step 5: Solve for x
x = 1,186,413,319,836.03/1,612,420.26 - Step 6: Final answer
x = 735,796.58
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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.