Finding the Fourth Proportional to 2,798,454.12, 3,861,821.44 and 1,574,758.95
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Solution
The fourth proportional to 2,798,454.12, 3,861,821.44 and 1,574,758.95 is: 2,173,141.89
Step by Step Solution
- Step 1: Write the proportion equation
2,798,454.12 : 3,861,821.44 = 1,574,758.95 : x - Step 2: Convert to fraction form
2,798,454.12/3,861,821.44 = 1,574,758.95/x - Step 3: Cross multiply
2,798,454.12x = 3,861,821.44 × 1,574,758.95 - Step 4: Simplify right side
2,798,454.12x = 6,081,437,875,941.89 - Step 5: Solve for x
x = 6,081,437,875,941.89/2,798,454.12 - Step 6: Final answer
x = 2,173,141.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.