Finding the Fourth Proportional to 2,149,555.09, 3,221,888.22 and 1,123,303.09
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Solution
The fourth proportional to 2,149,555.09, 3,221,888.22 and 1,123,303.09 is: 1,683,677.25
Step by Step Solution
- Step 1: Write the proportion equation
2,149,555.09 : 3,221,888.22 = 1,123,303.09 : x - Step 2: Convert to fraction form
2,149,555.09/3,221,888.22 = 1,123,303.09/x - Step 3: Cross multiply
2,149,555.09x = 3,221,888.22 × 1,123,303.09 - Step 4: Simplify right side
2,149,555.09x = 3,619,156,993,160.60 - Step 5: Solve for x
x = 3,619,156,993,160.60/2,149,555.09 - Step 6: Final answer
x = 1,683,677.25
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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.