Finding the Fourth Proportional to 2,794,390.20, 4,191,585.30 and 2,528,669.70
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Solution
The fourth proportional to 2,794,390.20, 4,191,585.30 and 2,528,669.70 is: 3,793,004.55
Step by Step Solution
- Step 1: Write the proportion equation
2,794,390.20 : 4,191,585.30 = 2,528,669.70 : x - Step 2: Convert to fraction form
2,794,390.20/4,191,585.30 = 2,528,669.70/x - Step 3: Cross multiply
2,794,390.20x = 4,191,585.30 × 2,528,669.70 - Step 4: Simplify right side
2,794,390.20x = 10,599,134,743,075.41 - Step 5: Solve for x
x = 10,599,134,743,075.41/2,794,390.20 - Step 6: Final answer
x = 3,793,004.55
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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.