Finding the Fourth Proportional to 2,087,071.20, 3,129,829.20 and 1,454,104.80
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Solution
The fourth proportional to 2,087,071.20, 3,129,829.20 and 1,454,104.80 is: 2,180,615.43
Step by Step Solution
- Step 1: Write the proportion equation
2,087,071.20 : 3,129,829.20 = 1,454,104.80 : x - Step 2: Convert to fraction form
2,087,071.20/3,129,829.20 = 1,454,104.80/x - Step 3: Cross multiply
2,087,071.20x = 3,129,829.20 × 1,454,104.80 - Step 4: Simplify right side
2,087,071.20x = 4,551,099,662,900.16 - Step 5: Solve for x
x = 4,551,099,662,900.16/2,087,071.20 - Step 6: Final answer
x = 2,180,615.43
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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.