Finding the Fourth Proportional to 4,977,622.64, 7,467,984.16 and 1,782,776.49
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Solution
The fourth proportional to 4,977,622.64, 7,467,984.16 and 1,782,776.49 is: 2,674,719.95
Step by Step Solution
- Step 1: Write the proportion equation
4,977,622.64 : 7,467,984.16 = 1,782,776.49 : x - Step 2: Convert to fraction form
4,977,622.64/7,467,984.16 = 1,782,776.49/x - Step 3: Cross multiply
4,977,622.64x = 7,467,984.16 × 1,782,776.49 - Step 4: Simplify right side
4,977,622.64x = 13,313,746,583,683.46 - Step 5: Solve for x
x = 13,313,746,583,683.46/4,977,622.64 - Step 6: Final answer
x = 2,674,719.95
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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.