Finding the Fourth Proportional to 1,787,988.98, 2,467,455.62 and 972,198.20
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Solution
The fourth proportional to 1,787,988.98, 2,467,455.62 and 972,198.20 is: 1,341,650.27
Step by Step Solution
- Step 1: Write the proportion equation
1,787,988.98 : 2,467,455.62 = 972,198.20 : x - Step 2: Convert to fraction form
1,787,988.98/2,467,455.62 = 972,198.20/x - Step 3: Cross multiply
1,787,988.98x = 2,467,455.62 × 972,198.20 - Step 4: Simplify right side
1,787,988.98x = 2,398,855,895,145.62 - Step 5: Solve for x
x = 2,398,855,895,145.62/1,787,988.98 - Step 6: Final answer
x = 1,341,650.27
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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.