Finding the Fourth Proportional to 1,521,674.18, 2,099,973.66 and 842,610.68
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Solution
The fourth proportional to 1,521,674.18, 2,099,973.66 and 842,610.68 is: 1,162,837.79
Step by Step Solution
- Step 1: Write the proportion equation
1,521,674.18 : 2,099,973.66 = 842,610.68 : x - Step 2: Convert to fraction form
1,521,674.18/2,099,973.66 = 842,610.68/x - Step 3: Cross multiply
1,521,674.18x = 2,099,973.66 × 842,610.68 - Step 4: Simplify right side
1,521,674.18x = 1,769,460,233,634.69 - Step 5: Solve for x
x = 1,769,460,233,634.69/1,521,674.18 - Step 6: Final answer
x = 1,162,837.79
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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.