Finding the Fourth Proportional to 1,673,984.52, 2,306,913.12 and 1,214,306.28
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Solution
The fourth proportional to 1,673,984.52, 2,306,913.12 and 1,214,306.28 is: 1,673,431.90
Step by Step Solution
- Step 1: Write the proportion equation
1,673,984.52 : 2,306,913.12 = 1,214,306.28 : x - Step 2: Convert to fraction form
1,673,984.52/2,306,913.12 = 1,214,306.28/x - Step 3: Cross multiply
1,673,984.52x = 2,306,913.12 × 1,214,306.28 - Step 4: Simplify right side
1,673,984.52x = 2,801,299,089,030.39 - Step 5: Solve for x
x = 2,801,299,089,030.39/1,673,984.52 - Step 6: Final answer
x = 1,673,431.90
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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.