Finding the Fourth Proportional to 3,119,898.32, 4,306,956.36 and 1,974,533.84
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Solution
The fourth proportional to 3,119,898.32, 4,306,956.36 and 1,974,533.84 is: 2,725,803.92
Step by Step Solution
- Step 1: Write the proportion equation
3,119,898.32 : 4,306,956.36 = 1,974,533.84 : x - Step 2: Convert to fraction form
3,119,898.32/4,306,956.36 = 1,974,533.84/x - Step 3: Cross multiply
3,119,898.32x = 4,306,956.36 × 1,974,533.84 - Step 4: Simplify right side
3,119,898.32x = 8,504,231,080,223.22 - Step 5: Solve for x
x = 8,504,231,080,223.22/3,119,898.32 - Step 6: Final answer
x = 2,725,803.92
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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.