Finding the Fourth Proportional to 5,907,862.68, 8,861,793.30 and 1,420,138.68
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Solution
The fourth proportional to 5,907,862.68, 8,861,793.30 and 1,420,138.68 is: 2,130,207.85
Step by Step Solution
- Step 1: Write the proportion equation
5,907,862.68 : 8,861,793.30 = 1,420,138.68 : x - Step 2: Convert to fraction form
5,907,862.68/8,861,793.30 = 1,420,138.68/x - Step 3: Cross multiply
5,907,862.68x = 8,861,793.30 × 1,420,138.68 - Step 4: Simplify right side
5,907,862.68x = 12,584,975,439,494.84 - Step 5: Solve for x
x = 12,584,975,439,494.84/5,907,862.68 - Step 6: Final answer
x = 2,130,207.85
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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.