Finding the Fourth Proportional to 4,181,518.88, 5,772,523.38 and 2,804,358.90
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Solution
The fourth proportional to 4,181,518.88, 5,772,523.38 and 2,804,358.90 is: 3,871,374.92
Step by Step Solution
- Step 1: Write the proportion equation
4,181,518.88 : 5,772,523.38 = 2,804,358.90 : x - Step 2: Convert to fraction form
4,181,518.88/5,772,523.38 = 2,804,358.90/x - Step 3: Cross multiply
4,181,518.88x = 5,772,523.38 × 2,804,358.90 - Step 4: Simplify right side
4,181,518.88x = 16,188,227,316,161.08 - Step 5: Solve for x
x = 16,188,227,316,161.08/4,181,518.88 - Step 6: Final answer
x = 3,871,374.92
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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.