Finding the Fourth Proportional to 5,197,603.16, 7,797,733.36 and 2,001,871.28
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Solution
The fourth proportional to 5,197,603.16, 7,797,733.36 and 2,001,871.28 is: 3,003,318.64
Step by Step Solution
- Step 1: Write the proportion equation
5,197,603.16 : 7,797,733.36 = 2,001,871.28 : x - Step 2: Convert to fraction form
5,197,603.16/7,797,733.36 = 2,001,871.28/x - Step 3: Cross multiply
5,197,603.16x = 7,797,733.36 × 2,001,871.28 - Step 4: Simplify right side
5,197,603.16x = 15,610,058,462,481.90 - Step 5: Solve for x
x = 15,610,058,462,481.90/5,197,603.16 - Step 6: Final answer
x = 3,003,318.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.