Finding the Fourth Proportional to 4,140,574.14, 5,718,774.79 and 2,761,521.81
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Solution
The fourth proportional to 4,140,574.14, 5,718,774.79 and 2,761,521.81 is: 3,814,089.73
Step by Step Solution
- Step 1: Write the proportion equation
4,140,574.14 : 5,718,774.79 = 2,761,521.81 : x - Step 2: Convert to fraction form
4,140,574.14/5,718,774.79 = 2,761,521.81/x - Step 3: Cross multiply
4,140,574.14x = 5,718,774.79 × 2,761,521.81 - Step 4: Simplify right side
4,140,574.14x = 15,792,521,309,063.17 - Step 5: Solve for x
x = 15,792,521,309,063.17/4,140,574.14 - Step 6: Final answer
x = 3,814,089.73
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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.