Finding the Fourth Proportional to 2,195,246.22, 3,029,572.64 and 1,228,355.70
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Solution
The fourth proportional to 2,195,246.22, 3,029,572.64 and 1,228,355.70 is: 1,695,205.21
Step by Step Solution
- Step 1: Write the proportion equation
2,195,246.22 : 3,029,572.64 = 1,228,355.70 : x - Step 2: Convert to fraction form
2,195,246.22/3,029,572.64 = 1,228,355.70/x - Step 3: Cross multiply
2,195,246.22x = 3,029,572.64 × 1,228,355.70 - Step 4: Simplify right side
2,195,246.22x = 3,721,392,820,908.05 - Step 5: Solve for x
x = 3,721,392,820,908.05/2,195,246.22 - Step 6: Final answer
x = 1,695,205.21
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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.