Finding the Fourth Proportional to 1,505,350.80, 2,080,370.52 and 1,232,987.40
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Solution
The fourth proportional to 1,505,350.80, 2,080,370.52 and 1,232,987.40 is: 1,703,968.70
Step by Step Solution
- Step 1: Write the proportion equation
1,505,350.80 : 2,080,370.52 = 1,232,987.40 : x - Step 2: Convert to fraction form
1,505,350.80/2,080,370.52 = 1,232,987.40/x - Step 3: Cross multiply
1,505,350.80x = 2,080,370.52 × 1,232,987.40 - Step 4: Simplify right side
1,505,350.80x = 2,565,070,638,491.45 - Step 5: Solve for x
x = 2,565,070,638,491.45/1,505,350.80 - Step 6: Final answer
x = 1,703,968.70
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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.