Finding the Fourth Proportional to 2,894,463.81, 3,994,605.18 and 1,605,719.25
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Solution
The fourth proportional to 2,894,463.81, 3,994,605.18 and 1,605,719.25 is: 2,216,028.55
Step by Step Solution
- Step 1: Write the proportion equation
2,894,463.81 : 3,994,605.18 = 1,605,719.25 : x - Step 2: Convert to fraction form
2,894,463.81/3,994,605.18 = 1,605,719.25/x - Step 3: Cross multiply
2,894,463.81x = 3,994,605.18 × 1,605,719.25 - Step 4: Simplify right side
2,894,463.81x = 6,414,214,433,675.72 - Step 5: Solve for x
x = 6,414,214,433,675.72/2,894,463.81 - Step 6: Final answer
x = 2,216,028.55
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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.