Finding the Fourth Proportional to 5,917,384.13, 8,165,990.09 and 3,201,130.13
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Solution
The fourth proportional to 5,917,384.13, 8,165,990.09 and 3,201,130.13 is: 4,417,559.57
Step by Step Solution
- Step 1: Write the proportion equation
5,917,384.13 : 8,165,990.09 = 3,201,130.13 : x - Step 2: Convert to fraction form
5,917,384.13/8,165,990.09 = 3,201,130.13/x - Step 3: Cross multiply
5,917,384.13x = 8,165,990.09 × 3,201,130.13 - Step 4: Simplify right side
5,917,384.13x = 26,140,396,885,553.29 - Step 5: Solve for x
x = 26,140,396,885,553.29/5,917,384.13 - Step 6: Final answer
x = 4,417,559.57
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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.