Finding the Fourth Proportional to 3,964,985.51, 5,471,896.28 and 2,246,440.91
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Solution
The fourth proportional to 3,964,985.51, 5,471,896.28 and 2,246,440.91 is: 3,100,210.99
Step by Step Solution
- Step 1: Write the proportion equation
3,964,985.51 : 5,471,896.28 = 2,246,440.91 : x - Step 2: Convert to fraction form
3,964,985.51/5,471,896.28 = 2,246,440.91/x - Step 3: Cross multiply
3,964,985.51x = 5,471,896.28 × 2,246,440.91 - Step 4: Simplify right side
3,964,985.51x = 12,292,291,620,077.13 - Step 5: Solve for x
x = 12,292,291,620,077.13/3,964,985.51 - Step 6: Final answer
x = 3,100,210.99
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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.