Finding the Fourth Proportional to 2,386,343.81, 3,293,155.00 and 1,313,255.81
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Solution
The fourth proportional to 2,386,343.81, 3,293,155.00 and 1,313,255.81 is: 1,812,293.32
Step by Step Solution
- Step 1: Write the proportion equation
2,386,343.81 : 3,293,155.00 = 1,313,255.81 : x - Step 2: Convert to fraction form
2,386,343.81/3,293,155.00 = 1,313,255.81/x - Step 3: Cross multiply
2,386,343.81x = 3,293,155.00 × 1,313,255.81 - Step 4: Simplify right side
2,386,343.81x = 4,324,754,946,855.01 - Step 5: Solve for x
x = 4,324,754,946,855.01/2,386,343.81 - Step 6: Final answer
x = 1,812,293.32
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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.