Finding the Fourth Proportional to 1,423,574.76, 2,135,860.37 and 412,757.38
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Solution
The fourth proportional to 1,423,574.76, 2,135,860.37 and 412,757.38 is: 619,280.52
Step by Step Solution
- Step 1: Write the proportion equation
1,423,574.76 : 2,135,860.37 = 412,757.38 : x - Step 2: Convert to fraction form
1,423,574.76/2,135,860.37 = 412,757.38/x - Step 3: Cross multiply
1,423,574.76x = 2,135,860.37 × 412,757.38 - Step 4: Simplify right side
1,423,574.76x = 881,592,118,655.84 - Step 5: Solve for x
x = 881,592,118,655.84/1,423,574.76 - Step 6: Final answer
x = 619,280.52
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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.