Finding the Fourth Proportional to 2,219,266.80, 3,321,901.80 and 2,149,282.80
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Solution
The fourth proportional to 2,219,266.80, 3,321,901.80 and 2,149,282.80 is: 3,217,146.49
Step by Step Solution
- Step 1: Write the proportion equation
2,219,266.80 : 3,321,901.80 = 2,149,282.80 : x - Step 2: Convert to fraction form
2,219,266.80/3,321,901.80 = 2,149,282.80/x - Step 3: Cross multiply
2,219,266.80x = 3,321,901.80 × 2,149,282.80 - Step 4: Simplify right side
2,219,266.80x = 7,139,706,402,029.04 - Step 5: Solve for x
x = 7,139,706,402,029.04/2,219,266.80 - Step 6: Final answer
x = 3,217,146.49
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1.5x scale
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.