Finding the Fourth Proportional to 3,122,134.84, 4,308,630.06 and 1,763,978.68
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Solution
The fourth proportional to 3,122,134.84, 4,308,630.06 and 1,763,978.68 is: 2,434,338.03
Step by Step Solution
- Step 1: Write the proportion equation
3,122,134.84 : 4,308,630.06 = 1,763,978.68 : x - Step 2: Convert to fraction form
3,122,134.84/4,308,630.06 = 1,763,978.68/x - Step 3: Cross multiply
3,122,134.84x = 4,308,630.06 × 1,763,978.68 - Step 4: Simplify right side
3,122,134.84x = 7,600,331,565,847.12 - Step 5: Solve for x
x = 7,600,331,565,847.12/3,122,134.84 - Step 6: Final answer
x = 2,434,338.03
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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.