Finding the Fourth Proportional to 2,403,367.26, 3,316,655.94 and 1,315,740.03
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Solution
The fourth proportional to 2,403,367.26, 3,316,655.94 and 1,315,740.03 is: 1,815,726.23
Step by Step Solution
- Step 1: Write the proportion equation
2,403,367.26 : 3,316,655.94 = 1,315,740.03 : x - Step 2: Convert to fraction form
2,403,367.26/3,316,655.94 = 1,315,740.03/x - Step 3: Cross multiply
2,403,367.26x = 3,316,655.94 × 1,315,740.03 - Step 4: Simplify right side
2,403,367.26x = 4,363,856,985,995.28 - Step 5: Solve for x
x = 4,363,856,985,995.28/2,403,367.26 - Step 6: Final answer
x = 1,815,726.23
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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.