Finding the Fourth Proportional to 2,874,255.36, 4,312,316.16 and 1,378,464
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Solution
The fourth proportional to 2,874,255.36, 4,312,316.16 and 1,378,464 is: 2,068,143.51
Step by Step Solution
- Step 1: Write the proportion equation
2,874,255.36 : 4,312,316.16 = 1,378,464 : x - Step 2: Convert to fraction form
2,874,255.36/4,312,316.16 = 1,378,464/x - Step 3: Cross multiply
2,874,255.36x = 4,312,316.16 × 1,378,464 - Step 4: Simplify right side
2,874,255.36x = 5,944,372,583,178.24 - Step 5: Solve for x
x = 5,944,372,583,178.24/2,874,255.36 - Step 6: Final answer
x = 2,068,143.51
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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.