Finding the Fourth Proportional to 2,292,143.74, 3,161,840.67 and 1,431,209.32
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Solution
The fourth proportional to 2,292,143.74, 3,161,840.67 and 1,431,209.32 is: 1,974,246.10
Step by Step Solution
- Step 1: Write the proportion equation
2,292,143.74 : 3,161,840.67 = 1,431,209.32 : x - Step 2: Convert to fraction form
2,292,143.74/3,161,840.67 = 1,431,209.32/x - Step 3: Cross multiply
2,292,143.74x = 3,161,840.67 × 1,431,209.32 - Step 4: Simplify right side
2,292,143.74x = 4,525,255,835,259.05 - Step 5: Solve for x
x = 4,525,255,835,259.05/2,292,143.74 - Step 6: Final answer
x = 1,974,246.10
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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.