Finding the Fourth Proportional to 1,686,533.76, 2,525,746.95 and 964,687.14
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Solution
The fourth proportional to 1,686,533.76, 2,525,746.95 and 964,687.14 is: 1,444,712.02
Step by Step Solution
- Step 1: Write the proportion equation
1,686,533.76 : 2,525,746.95 = 964,687.14 : x - Step 2: Convert to fraction form
1,686,533.76/2,525,746.95 = 964,687.14/x - Step 3: Cross multiply
1,686,533.76x = 2,525,746.95 × 964,687.14 - Step 4: Simplify right side
1,686,533.76x = 2,436,555,601,559.22 - Step 5: Solve for x
x = 2,436,555,601,559.22/1,686,533.76 - Step 6: Final answer
x = 1,444,712.02
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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.