Finding the Fourth Proportional to 1,787,562.36, 2,467,631.25 and 1,062,644.76
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Solution
The fourth proportional to 1,787,562.36, 2,467,631.25 and 1,062,644.76 is: 1,466,922.48
Step by Step Solution
- Step 1: Write the proportion equation
1,787,562.36 : 2,467,631.25 = 1,062,644.76 : x - Step 2: Convert to fraction form
1,787,562.36/2,467,631.25 = 1,062,644.76/x - Step 3: Cross multiply
1,787,562.36x = 2,467,631.25 × 1,062,644.76 - Step 4: Simplify right side
1,787,562.36x = 2,622,215,417,424.75 - Step 5: Solve for x
x = 2,622,215,417,424.75/1,787,562.36 - Step 6: Final answer
x = 1,466,922.48
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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.