Finding the Fourth Proportional to 1,899,430.97, 2,621,214.27 and 1,039,991.00
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Solution
The fourth proportional to 1,899,430.97, 2,621,214.27 and 1,039,991.00 is: 1,435,187.32
Step by Step Solution
- Step 1: Write the proportion equation
1,899,430.97 : 2,621,214.27 = 1,039,991.00 : x - Step 2: Convert to fraction form
1,899,430.97/2,621,214.27 = 1,039,991.00/x - Step 3: Cross multiply
1,899,430.97x = 2,621,214.27 × 1,039,991.00 - Step 4: Simplify right side
1,899,430.97x = 2,726,039,236,765.50 - Step 5: Solve for x
x = 2,726,039,236,765.50/1,899,430.97 - Step 6: Final answer
x = 1,435,187.32
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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.