Finding the Fourth Proportional to 1,560,351.12, 2,153,253.96 and 872,029.32
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Solution
The fourth proportional to 1,560,351.12, 2,153,253.96 and 872,029.32 is: 1,203,383.37
Step by Step Solution
- Step 1: Write the proportion equation
1,560,351.12 : 2,153,253.96 = 872,029.32 : x - Step 2: Convert to fraction form
1,560,351.12/2,153,253.96 = 872,029.32/x - Step 3: Cross multiply
1,560,351.12x = 2,153,253.96 × 872,029.32 - Step 4: Simplify right side
1,560,351.12x = 1,877,700,586,526.11 - Step 5: Solve for x
x = 1,877,700,586,526.11/1,560,351.12 - Step 6: Final answer
x = 1,203,383.37
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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.