Finding the Fourth Proportional to 2,408,673.72, 3,324,116.88 and 1,390,144.08
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Solution
The fourth proportional to 2,408,673.72, 3,324,116.88 and 1,390,144.08 is: 1,918,483.75
Step by Step Solution
- Step 1: Write the proportion equation
2,408,673.72 : 3,324,116.88 = 1,390,144.08 : x - Step 2: Convert to fraction form
2,408,673.72/3,324,116.88 = 1,390,144.08/x - Step 3: Cross multiply
2,408,673.72x = 3,324,116.88 × 1,390,144.08 - Step 4: Simplify right side
2,408,673.72x = 4,621,001,401,960.07 - Step 5: Solve for x
x = 4,621,001,401,960.07/2,408,673.72 - Step 6: Final answer
x = 1,918,483.75
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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.