Finding the Fourth Proportional to 3,878,924.28, 5,818,390.92 and 1,183,106.76
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Solution
The fourth proportional to 3,878,924.28, 5,818,390.92 and 1,183,106.76 is: 1,774,661.51
Step by Step Solution
- Step 1: Write the proportion equation
3,878,924.28 : 5,818,390.92 = 1,183,106.76 : x - Step 2: Convert to fraction form
3,878,924.28/5,818,390.92 = 1,183,106.76/x - Step 3: Cross multiply
3,878,924.28x = 5,818,390.92 × 1,183,106.76 - Step 4: Simplify right side
3,878,924.28x = 6,883,777,629,774.62 - Step 5: Solve for x
x = 6,883,777,629,774.62/3,878,924.28 - Step 6: Final answer
x = 1,774,661.51
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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.