Finding the Fourth Proportional to 1,939,438.24, 2,909,615.28 and 609,742.24
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Solution
The fourth proportional to 1,939,438.24, 2,909,615.28 and 609,742.24 is: 914,757.33
Step by Step Solution
- Step 1: Write the proportion equation
1,939,438.24 : 2,909,615.28 = 609,742.24 : x - Step 2: Convert to fraction form
1,939,438.24/2,909,615.28 = 609,742.24/x - Step 3: Cross multiply
1,939,438.24x = 2,909,615.28 × 609,742.24 - Step 4: Simplify right side
1,939,438.24x = 1,774,115,338,365.43 - Step 5: Solve for x
x = 1,774,115,338,365.43/1,939,438.24 - Step 6: Final answer
x = 914,757.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.