Finding the Fourth Proportional to 1,521,810.44, 2,100,164.42 and 842,746.94
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Solution
The fourth proportional to 1,521,810.44, 2,100,164.42 and 842,746.94 is: 1,163,027.33
Step by Step Solution
- Step 1: Write the proportion equation
1,521,810.44 : 2,100,164.42 = 842,746.94 : x - Step 2: Convert to fraction form
1,521,810.44/2,100,164.42 = 842,746.94/x - Step 3: Cross multiply
1,521,810.44x = 2,100,164.42 × 842,746.94 - Step 4: Simplify right side
1,521,810.44x = 1,769,907,138,451.87 - Step 5: Solve for x
x = 1,769,907,138,451.87/1,521,810.44 - Step 6: Final answer
x = 1,163,027.33
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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.