Finding the Fourth Proportional to 2,619,740.80, 3,931,684.80 and 1,023,068.80
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Solution
The fourth proportional to 2,619,740.80, 3,931,684.80 and 1,023,068.80 is: 1,535,412.99
Step by Step Solution
- Step 1: Write the proportion equation
2,619,740.80 : 3,931,684.80 = 1,023,068.80 : x - Step 2: Convert to fraction form
2,619,740.80/3,931,684.80 = 1,023,068.80/x - Step 3: Cross multiply
2,619,740.80x = 3,931,684.80 × 1,023,068.80 - Step 4: Simplify right side
2,619,740.80x = 4,022,384,050,314.24 - Step 5: Solve for x
x = 4,022,384,050,314.24/2,619,740.80 - Step 6: Final answer
x = 1,535,412.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.