Finding the Fourth Proportional to 4,621,756.60, 6,379,627.50 and 3,176,237.08
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Solution
The fourth proportional to 4,621,756.60, 6,379,627.50 and 3,176,237.08 is: 4,384,309.08
Step by Step Solution
- Step 1: Write the proportion equation
4,621,756.60 : 6,379,627.50 = 3,176,237.08 : x - Step 2: Convert to fraction form
4,621,756.60/6,379,627.50 = 3,176,237.08/x - Step 3: Cross multiply
4,621,756.60x = 6,379,627.50 × 3,176,237.08 - Step 4: Simplify right side
4,621,756.60x = 20,263,209,422,087.70 - Step 5: Solve for x
x = 20,263,209,422,087.70/4,621,756.60 - Step 6: Final answer
x = 4,384,309.08
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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.