Finding the Fourth Proportional to 3,423,121.56, 4,724,224.66 and 1,895,228.70
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Solution
The fourth proportional to 3,423,121.56, 4,724,224.66 and 1,895,228.70 is: 2,615,591.06
Step by Step Solution
- Step 1: Write the proportion equation
3,423,121.56 : 4,724,224.66 = 1,895,228.70 : x - Step 2: Convert to fraction form
3,423,121.56/4,724,224.66 = 1,895,228.70/x - Step 3: Cross multiply
3,423,121.56x = 4,724,224.66 × 1,895,228.70 - Step 4: Simplify right side
3,423,121.56x = 8,953,486,160,879.74 - Step 5: Solve for x
x = 8,953,486,160,879.74/3,423,121.56 - Step 6: Final answer
x = 2,615,591.06
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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.