Finding the Fourth Proportional to 2,628,568.74, 3,943,129.98 and 1,091,389.62
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Solution
The fourth proportional to 2,628,568.74, 3,943,129.98 and 1,091,389.62 is: 1,637,199.39
Step by Step Solution
- Step 1: Write the proportion equation
2,628,568.74 : 3,943,129.98 = 1,091,389.62 : x - Step 2: Convert to fraction form
2,628,568.74/3,943,129.98 = 1,091,389.62/x - Step 3: Cross multiply
2,628,568.74x = 3,943,129.98 × 1,091,389.62 - Step 4: Simplify right side
2,628,568.74x = 4,303,491,130,482.81 - Step 5: Solve for x
x = 4,303,491,130,482.81/2,628,568.74 - Step 6: Final answer
x = 1,637,199.39
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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.