Finding the Fourth Proportional to 1,742,672.68, 2,404,605.84 and 1,089,221.44
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Solution
The fourth proportional to 1,742,672.68, 2,404,605.84 and 1,089,221.44 is: 1,502,949.04
Step by Step Solution
- Step 1: Write the proportion equation
1,742,672.68 : 2,404,605.84 = 1,089,221.44 : x - Step 2: Convert to fraction form
1,742,672.68/2,404,605.84 = 1,089,221.44/x - Step 3: Cross multiply
1,742,672.68x = 2,404,605.84 × 1,089,221.44 - Step 4: Simplify right side
1,742,672.68x = 2,619,148,235,677.21 - Step 5: Solve for x
x = 2,619,148,235,677.21/1,742,672.68 - Step 6: Final answer
x = 1,502,949.04
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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.