Finding the Fourth Proportional to 2,386,163.43, 3,579,805.76 and 788,726.57
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Solution
The fourth proportional to 2,386,163.43, 3,579,805.76 and 788,726.57 is: 1,183,275.15
Step by Step Solution
- Step 1: Write the proportion equation
2,386,163.43 : 3,579,805.76 = 788,726.57 : x - Step 2: Convert to fraction form
2,386,163.43/3,579,805.76 = 788,726.57/x - Step 3: Cross multiply
2,386,163.43x = 3,579,805.76 × 788,726.57 - Step 4: Simplify right side
2,386,163.43x = 2,823,487,896,508.38 - Step 5: Solve for x
x = 2,823,487,896,508.38/2,386,163.43 - Step 6: Final answer
x = 1,183,275.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.