Finding the Fourth Proportional to 4,151,918.70, 6,228,862.20 and 2,130,474.60
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Solution
The fourth proportional to 4,151,918.70, 6,228,862.20 and 2,130,474.60 is: 3,196,216.90
Step by Step Solution
- Step 1: Write the proportion equation
4,151,918.70 : 6,228,862.20 = 2,130,474.60 : x - Step 2: Convert to fraction form
4,151,918.70/6,228,862.20 = 2,130,474.60/x - Step 3: Cross multiply
4,151,918.70x = 6,228,862.20 × 2,130,474.60 - Step 4: Simplify right side
4,151,918.70x = 13,270,432,704,000.12 - Step 5: Solve for x
x = 13,270,432,704,000.12/4,151,918.70 - Step 6: Final answer
x = 3,196,216.90
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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.