Finding the Fourth Proportional to 3,348,208.71, 4,620,505.28 and 1,820,315.84
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Solution
The fourth proportional to 3,348,208.71, 4,620,505.28 and 1,820,315.84 is: 2,512,023.49
Step by Step Solution
- Step 1: Write the proportion equation
3,348,208.71 : 4,620,505.28 = 1,820,315.84 : x - Step 2: Convert to fraction form
3,348,208.71/4,620,505.28 = 1,820,315.84/x - Step 3: Cross multiply
3,348,208.71x = 4,620,505.28 × 1,820,315.84 - Step 4: Simplify right side
3,348,208.71x = 8,410,778,917,783.53 - Step 5: Solve for x
x = 8,410,778,917,783.53/3,348,208.71 - Step 6: Final answer
x = 2,512,023.49
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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.