Finding the Fourth Proportional to 3,010,988.40, 4,512,983.40 and 1,212,982.80
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Solution
The fourth proportional to 3,010,988.40, 4,512,983.40 and 1,212,982.80 is: 1,818,064.54
Step by Step Solution
- Step 1: Write the proportion equation
3,010,988.40 : 4,512,983.40 = 1,212,982.80 : x - Step 2: Convert to fraction form
3,010,988.40/4,512,983.40 = 1,212,982.80/x - Step 3: Cross multiply
3,010,988.40x = 4,512,983.40 × 1,212,982.80 - Step 4: Simplify right side
3,010,988.40x = 5,474,171,240,885.52 - Step 5: Solve for x
x = 5,474,171,240,885.52/3,010,988.40 - Step 6: Final answer
x = 1,818,064.54
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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.