Finding the Fourth Proportional to 2,415,919.77, 3,333,990.96 and 1,313,353.26
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Solution
The fourth proportional to 2,415,919.77, 3,333,990.96 and 1,313,353.26 is: 1,812,439.28
Step by Step Solution
- Step 1: Write the proportion equation
2,415,919.77 : 3,333,990.96 = 1,313,353.26 : x - Step 2: Convert to fraction form
2,415,919.77/3,333,990.96 = 1,313,353.26/x - Step 3: Cross multiply
2,415,919.77x = 3,333,990.96 × 1,313,353.26 - Step 4: Simplify right side
2,415,919.77x = 4,378,707,896,126.53 - Step 5: Solve for x
x = 4,378,707,896,126.53/2,415,919.77 - Step 6: Final answer
x = 1,812,439.28
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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.