Finding the Fourth Proportional to 1,731,262.49, 2,608,710.86 and 1,422,633.05
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Solution
The fourth proportional to 1,731,262.49, 2,608,710.86 and 1,422,633.05 is: 2,143,660.07
Step by Step Solution
- Step 1: Write the proportion equation
1,731,262.49 : 2,608,710.86 = 1,422,633.05 : x - Step 2: Convert to fraction form
1,731,262.49/2,608,710.86 = 1,422,633.05/x - Step 3: Cross multiply
1,731,262.49x = 2,608,710.86 × 1,422,633.05 - Step 4: Simplify right side
1,731,262.49x = 3,711,238,267,173.20 - Step 5: Solve for x
x = 3,711,238,267,173.20/1,731,262.49 - Step 6: Final answer
x = 2,143,660.07
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.