Finding the Fourth Proportional to 2,097,777.21, 3,148,347.33 and 1,087,188.09
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Solution
The fourth proportional to 2,097,777.21, 3,148,347.33 and 1,087,188.09 is: 1,631,653.59
Step by Step Solution
- Step 1: Write the proportion equation
2,097,777.21 : 3,148,347.33 = 1,087,188.09 : x - Step 2: Convert to fraction form
2,097,777.21/3,148,347.33 = 1,087,188.09/x - Step 3: Cross multiply
2,097,777.21x = 3,148,347.33 × 1,087,188.09 - Step 4: Simplify right side
2,097,777.21x = 3,422,845,720,359.30 - Step 5: Solve for x
x = 3,422,845,720,359.30/2,097,777.21 - Step 6: Final answer
x = 1,631,653.59
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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.