Finding the Fourth Proportional to 2,388,501.36, 3,296,404.15 and 1,421,634.73
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Solution
The fourth proportional to 2,388,501.36, 3,296,404.15 and 1,421,634.73 is: 1,962,017.98
Step by Step Solution
- Step 1: Write the proportion equation
2,388,501.36 : 3,296,404.15 = 1,421,634.73 : x - Step 2: Convert to fraction form
2,388,501.36/3,296,404.15 = 1,421,634.73/x - Step 3: Cross multiply
2,388,501.36x = 3,296,404.15 × 1,421,634.73 - Step 4: Simplify right side
2,388,501.36x = 4,686,282,623,756.13 - Step 5: Solve for x
x = 4,686,282,623,756.13/2,388,501.36 - Step 6: Final answer
x = 1,962,017.98
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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.