Finding the Fourth Proportional to 2,138,010.24, 2,950,328.16 and 1,170,948
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Solution
The fourth proportional to 2,138,010.24, 2,950,328.16 and 1,170,948 is: 1,615,839.25
Step by Step Solution
- Step 1: Write the proportion equation
2,138,010.24 : 2,950,328.16 = 1,170,948 : x - Step 2: Convert to fraction form
2,138,010.24/2,950,328.16 = 1,170,948/x - Step 3: Cross multiply
2,138,010.24x = 2,950,328.16 × 1,170,948 - Step 4: Simplify right side
2,138,010.24x = 3,454,680,858,295.68 - Step 5: Solve for x
x = 3,454,680,858,295.68/2,138,010.24 - Step 6: Final answer
x = 1,615,839.25
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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.