Finding the Fourth Proportional to 2,894,470.18, 3,994,614.16 and 1,605,725.76
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Solution
The fourth proportional to 2,894,470.18, 3,994,614.16 and 1,605,725.76 is: 2,216,037.64
Step by Step Solution
- Step 1: Write the proportion equation
2,894,470.18 : 3,994,614.16 = 1,605,725.76 : x - Step 2: Convert to fraction form
2,894,470.18/3,994,614.16 = 1,605,725.76/x - Step 3: Cross multiply
2,894,470.18x = 3,994,614.16 × 1,605,725.76 - Step 4: Simplify right side
2,894,470.18x = 6,414,254,857,972.76 - Step 5: Solve for x
x = 6,414,254,857,972.76/2,894,470.18 - Step 6: Final answer
x = 2,216,037.64
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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.