Finding the Fourth Proportional to 2,129,420.52, 3,194,639.16 and 709,488.84
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Solution
The fourth proportional to 2,129,420.52, 3,194,639.16 and 709,488.84 is: 1,064,402.64
Step by Step Solution
- Step 1: Write the proportion equation
2,129,420.52 : 3,194,639.16 = 709,488.84 : x - Step 2: Convert to fraction form
2,129,420.52/3,194,639.16 = 709,488.84/x - Step 3: Cross multiply
2,129,420.52x = 3,194,639.16 × 709,488.84 - Step 4: Simplify right side
2,129,420.52x = 2,266,560,831,846.97 - Step 5: Solve for x
x = 2,266,560,831,846.97/2,129,420.52 - Step 6: Final answer
x = 1,064,402.64
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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.