Finding the Fourth Proportional to 3,416,363.60, 5,122,212.60 and 1,620,107.60
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Solution
The fourth proportional to 3,416,363.60, 5,122,212.60 and 1,620,107.60 is: 2,429,055.14
Step by Step Solution
- Step 1: Write the proportion equation
3,416,363.60 : 5,122,212.60 = 1,620,107.60 : x - Step 2: Convert to fraction form
3,416,363.60/5,122,212.60 = 1,620,107.60/x - Step 3: Cross multiply
3,416,363.60x = 5,122,212.60 × 1,620,107.60 - Step 4: Simplify right side
3,416,363.60x = 8,298,535,562,075.76 - Step 5: Solve for x
x = 8,298,535,562,075.76/3,416,363.60 - Step 6: Final answer
x = 2,429,055.14
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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.