Finding the Fourth Proportional to 5,481,118.77, 8,221,481.33 and 1,437,574.47
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Solution
The fourth proportional to 5,481,118.77, 8,221,481.33 and 1,437,574.47 is: 2,156,310.08
Step by Step Solution
- Step 1: Write the proportion equation
5,481,118.77 : 8,221,481.33 = 1,437,574.47 : x - Step 2: Convert to fraction form
5,481,118.77/8,221,481.33 = 1,437,574.47/x - Step 3: Cross multiply
5,481,118.77x = 8,221,481.33 × 1,437,574.47 - Step 4: Simplify right side
5,481,118.77x = 11,818,991,658,401.77 - Step 5: Solve for x
x = 11,818,991,658,401.77/5,481,118.77 - Step 6: Final answer
x = 2,156,310.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.