Finding the Fourth Proportional to 3,765,695.16, 5,196,532.14 and 2,155,752.12
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Solution
The fourth proportional to 3,765,695.16, 5,196,532.14 and 2,155,752.12 is: 2,974,865.12
Step by Step Solution
- Step 1: Write the proportion equation
3,765,695.16 : 5,196,532.14 = 2,155,752.12 : x - Step 2: Convert to fraction form
3,765,695.16/5,196,532.14 = 2,155,752.12/x - Step 3: Cross multiply
3,765,695.16x = 5,196,532.14 × 2,155,752.12 - Step 4: Simplify right side
3,765,695.16x = 11,202,435,177,453.14 - Step 5: Solve for x
x = 11,202,435,177,453.14/3,765,695.16 - Step 6: Final answer
x = 2,974,865.12
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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.