Finding the Fourth Proportional to 1,938,403.44, 2,907,438.60 and 1,180,048.08
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Solution
The fourth proportional to 1,938,403.44, 2,907,438.60 and 1,180,048.08 is: 1,769,970.72
Step by Step Solution
- Step 1: Write the proportion equation
1,938,403.44 : 2,907,438.60 = 1,180,048.08 : x - Step 2: Convert to fraction form
1,938,403.44/2,907,438.60 = 1,180,048.08/x - Step 3: Cross multiply
1,938,403.44x = 2,907,438.60 × 1,180,048.08 - Step 4: Simplify right side
1,938,403.44x = 3,430,917,337,647.89 - Step 5: Solve for x
x = 3,430,917,337,647.89/1,938,403.44 - Step 6: Final answer
x = 1,769,970.72
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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.