Finding the Fourth Proportional to 2,639,661.66, 3,642,733.04 and 1,432,437.66
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Solution
The fourth proportional to 2,639,661.66, 3,642,733.04 and 1,432,437.66 is: 1,976,763.94
Step by Step Solution
- Step 1: Write the proportion equation
2,639,661.66 : 3,642,733.04 = 1,432,437.66 : x - Step 2: Convert to fraction form
2,639,661.66/3,642,733.04 = 1,432,437.66/x - Step 3: Cross multiply
2,639,661.66x = 3,642,733.04 × 1,432,437.66 - Step 4: Simplify right side
2,639,661.66x = 5,217,987,984,660.10 - Step 5: Solve for x
x = 5,217,987,984,660.10/2,639,661.66 - Step 6: Final answer
x = 1,976,763.94
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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.