Finding the Fourth Proportional to 1,489,541.30, 2,232,562.34 and 689,132.24
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Solution
The fourth proportional to 1,489,541.30, 2,232,562.34 and 689,132.24 is: 1,032,888.91
Step by Step Solution
- Step 1: Write the proportion equation
1,489,541.30 : 2,232,562.34 = 689,132.24 : x - Step 2: Convert to fraction form
1,489,541.30/2,232,562.34 = 689,132.24/x - Step 3: Cross multiply
1,489,541.30x = 2,232,562.34 × 689,132.24 - Step 4: Simplify right side
1,489,541.30x = 1,538,530,686,303.84 - Step 5: Solve for x
x = 1,538,530,686,303.84/1,489,541.30 - Step 6: Final answer
x = 1,032,888.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.