Finding the Fourth Proportional to 1,539,879.87, 2,124,973.26 and 851,507.04
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Solution
The fourth proportional to 1,539,879.87, 2,124,973.26 and 851,507.04 is: 1,175,046.01
Step by Step Solution
- Step 1: Write the proportion equation
1,539,879.87 : 2,124,973.26 = 851,507.04 : x - Step 2: Convert to fraction form
1,539,879.87/2,124,973.26 = 851,507.04/x - Step 3: Cross multiply
1,539,879.87x = 2,124,973.26 × 851,507.04 - Step 4: Simplify right side
1,539,879.87x = 1,809,429,690,701.75 - Step 5: Solve for x
x = 1,809,429,690,701.75/1,539,879.87 - Step 6: Final answer
x = 1,175,046.01
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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.