Finding the Fourth Proportional to 2,225,043.52, 3,070,429.68 and 1,258,376.56
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Solution
The fourth proportional to 2,225,043.52, 3,070,429.68 and 1,258,376.56 is: 1,736,485.92
Step by Step Solution
- Step 1: Write the proportion equation
2,225,043.52 : 3,070,429.68 = 1,258,376.56 : x - Step 2: Convert to fraction form
2,225,043.52/3,070,429.68 = 1,258,376.56/x - Step 3: Cross multiply
2,225,043.52x = 3,070,429.68 × 1,258,376.56 - Step 4: Simplify right side
2,225,043.52x = 3,863,756,738,440.30 - Step 5: Solve for x
x = 3,863,756,738,440.30/2,225,043.52 - Step 6: Final answer
x = 1,736,485.92
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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.