Finding the Fourth Proportional to 5,115,009.80, 7,058,210.97 and 2,823,022.88
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Solution
The fourth proportional to 5,115,009.80, 7,058,210.97 and 2,823,022.88 is: 3,895,494.21
Step by Step Solution
- Step 1: Write the proportion equation
5,115,009.80 : 7,058,210.97 = 2,823,022.88 : x - Step 2: Convert to fraction form
5,115,009.80/7,058,210.97 = 2,823,022.88/x - Step 3: Cross multiply
5,115,009.80x = 7,058,210.97 × 2,823,022.88 - Step 4: Simplify right side
5,115,009.80x = 19,925,491,060,176.99 - Step 5: Solve for x
x = 19,925,491,060,176.99/5,115,009.80 - Step 6: Final answer
x = 3,895,494.21
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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.