Finding the Fourth Proportional to 1,927,697.20, 2,888,046.60 and 1,570,778.80
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Solution
The fourth proportional to 1,927,697.20, 2,888,046.60 and 1,570,778.80 is: 2,353,316.89
Step by Step Solution
- Step 1: Write the proportion equation
1,927,697.20 : 2,888,046.60 = 1,570,778.80 : x - Step 2: Convert to fraction form
1,927,697.20/2,888,046.60 = 1,570,778.80/x - Step 3: Cross multiply
1,927,697.20x = 2,888,046.60 × 1,570,778.80 - Step 4: Simplify right side
1,927,697.20x = 4,536,482,372,692.08 - Step 5: Solve for x
x = 4,536,482,372,692.08/1,927,697.20 - Step 6: Final answer
x = 2,353,316.89
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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.