Finding the Fourth Proportional to 1,422,811.12, 2,134,220.33 and 581,362.87
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Solution
The fourth proportional to 1,422,811.12, 2,134,220.33 and 581,362.87 is: 872,045.80
Step by Step Solution
- Step 1: Write the proportion equation
1,422,811.12 : 2,134,220.33 = 581,362.87 : x - Step 2: Convert to fraction form
1,422,811.12/2,134,220.33 = 581,362.87/x - Step 3: Cross multiply
1,422,811.12x = 2,134,220.33 × 581,362.87 - Step 4: Simplify right side
1,422,811.12x = 1,240,756,456,261.15 - Step 5: Solve for x
x = 1,240,756,456,261.15/1,422,811.12 - Step 6: Final answer
x = 872,045.80
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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.