Finding the Fourth Proportional to 2,586,785.36, 3,569,873.92 and 1,440,866.21
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Solution
The fourth proportional to 2,586,785.36, 3,569,873.92 and 1,440,866.21 is: 1,988,456.71
Step by Step Solution
- Step 1: Write the proportion equation
2,586,785.36 : 3,569,873.92 = 1,440,866.21 : x - Step 2: Convert to fraction form
2,586,785.36/3,569,873.92 = 1,440,866.21/x - Step 3: Cross multiply
2,586,785.36x = 3,569,873.92 × 1,440,866.21 - Step 4: Simplify right side
2,586,785.36x = 5,143,710,683,836.71 - Step 5: Solve for x
x = 5,143,710,683,836.71/2,586,785.36 - Step 6: Final answer
x = 1,988,456.71
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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.