Finding the Fourth Proportional to 2,882,971.30, 3,977,840.34 and 1,721,191.44
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Solution
The fourth proportional to 2,882,971.30, 3,977,840.34 and 1,721,191.44 is: 2,374,850.12
Step by Step Solution
- Step 1: Write the proportion equation
2,882,971.30 : 3,977,840.34 = 1,721,191.44 : x - Step 2: Convert to fraction form
2,882,971.30/3,977,840.34 = 1,721,191.44/x - Step 3: Cross multiply
2,882,971.30x = 3,977,840.34 × 1,721,191.44 - Step 4: Simplify right side
2,882,971.30x = 6,846,624,742,894.69 - Step 5: Solve for x
x = 6,846,624,742,894.69/2,882,971.30 - Step 6: Final answer
x = 2,374,850.12
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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.