Finding the Fourth Proportional to 2,089,455.58, 2,883,862.26 and 1,355,319.66
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Solution
The fourth proportional to 2,089,455.58, 2,883,862.26 and 1,355,319.66 is: 1,870,609.39
Step by Step Solution
- Step 1: Write the proportion equation
2,089,455.58 : 2,883,862.26 = 1,355,319.66 : x - Step 2: Convert to fraction form
2,089,455.58/2,883,862.26 = 1,355,319.66/x - Step 3: Cross multiply
2,089,455.58x = 2,883,862.26 × 1,355,319.66 - Step 4: Simplify right side
2,089,455.58x = 3,908,555,217,710.03 - Step 5: Solve for x
x = 3,908,555,217,710.03/2,089,455.58 - Step 6: Final answer
x = 1,870,609.39
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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.