Finding the Fourth Proportional to 3,227,355.36, 4,454,347.68 and 1,869,228
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Solution
The fourth proportional to 3,227,355.36, 4,454,347.68 and 1,869,228 is: 2,579,880.58
Step by Step Solution
- Step 1: Write the proportion equation
3,227,355.36 : 4,454,347.68 = 1,869,228 : x - Step 2: Convert to fraction form
3,227,355.36/4,454,347.68 = 1,869,228/x - Step 3: Cross multiply
3,227,355.36x = 4,454,347.68 × 1,869,228 - Step 4: Simplify right side
3,227,355.36x = 8,326,191,405,191.04 - Step 5: Solve for x
x = 8,326,191,405,191.04/3,227,355.36 - Step 6: Final answer
x = 2,579,880.58
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.