Finding the Fourth Proportional to 2,996,399.09, 4,497,797.12 and 1,291,383.81
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Solution
The fourth proportional to 2,996,399.09, 4,497,797.12 and 1,291,383.81 is: 1,938,454.19
Step by Step Solution
- Step 1: Write the proportion equation
2,996,399.09 : 4,497,797.12 = 1,291,383.81 : x - Step 2: Convert to fraction form
2,996,399.09/4,497,797.12 = 1,291,383.81/x - Step 3: Cross multiply
2,996,399.09x = 4,497,797.12 × 1,291,383.81 - Step 4: Simplify right side
2,996,399.09x = 5,808,382,374,975.71 - Step 5: Solve for x
x = 5,808,382,374,975.71/2,996,399.09 - Step 6: Final answer
x = 1,938,454.19
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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.