Finding the Fourth Proportional to 3,122,133.84, 4,308,628.68 and 1,763,977.68
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Solution
The fourth proportional to 3,122,133.84, 4,308,628.68 and 1,763,977.68 is: 2,434,336.65
Step by Step Solution
- Step 1: Write the proportion equation
3,122,133.84 : 4,308,628.68 = 1,763,977.68 : x - Step 2: Convert to fraction form
3,122,133.84/4,308,628.68 = 1,763,977.68/x - Step 3: Cross multiply
3,122,133.84x = 4,308,628.68 × 1,763,977.68 - Step 4: Simplify right side
3,122,133.84x = 7,600,324,822,927.86 - Step 5: Solve for x
x = 7,600,324,822,927.86/3,122,133.84 - Step 6: Final answer
x = 2,434,336.65
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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.