Finding the Fourth Proportional to 5,408,647.71, 8,116,940.97 and 4,356,394.53
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Solution
The fourth proportional to 5,408,647.71, 8,116,940.97 and 4,356,394.53 is: 6,537,788.95
Step by Step Solution
- Step 1: Write the proportion equation
5,408,647.71 : 8,116,940.97 = 4,356,394.53 : x - Step 2: Convert to fraction form
5,408,647.71/8,116,940.97 = 4,356,394.53/x - Step 3: Cross multiply
5,408,647.71x = 8,116,940.97 × 4,356,394.53 - Step 4: Simplify right side
5,408,647.71x = 35,360,597,242,040.90 - Step 5: Solve for x
x = 35,360,597,242,040.90/5,408,647.71 - Step 6: Final answer
x = 6,537,788.95
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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.