Finding the Fourth Proportional to 1,621,899.70, 2,238,166.75 and 933,475.99
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Solution
The fourth proportional to 1,621,899.70, 2,238,166.75 and 933,475.99 is: 1,288,165.31
Step by Step Solution
- Step 1: Write the proportion equation
1,621,899.70 : 2,238,166.75 = 933,475.99 : x - Step 2: Convert to fraction form
1,621,899.70/2,238,166.75 = 933,475.99/x - Step 3: Cross multiply
1,621,899.70x = 2,238,166.75 × 933,475.99 - Step 4: Simplify right side
1,621,899.70x = 2,089,274,926,003.06 - Step 5: Solve for x
x = 2,089,274,926,003.06/1,621,899.70 - Step 6: Final answer
x = 1,288,165.31
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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.