Finding the Fourth Proportional to 5,171,997.08, 7,137,518.30 and 2,849,058.02
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Solution
The fourth proportional to 5,171,997.08, 7,137,518.30 and 2,849,058.02 is: 3,931,789.48
Step by Step Solution
- Step 1: Write the proportion equation
5,171,997.08 : 7,137,518.30 = 2,849,058.02 : x - Step 2: Convert to fraction form
5,171,997.08/7,137,518.30 = 2,849,058.02/x - Step 3: Cross multiply
5,171,997.08x = 7,137,518.30 × 2,849,058.02 - Step 4: Simplify right side
5,171,997.08x = 20,335,203,705,578.89 - Step 5: Solve for x
x = 20,335,203,705,578.89/5,171,997.08 - Step 6: Final answer
x = 3,931,789.48
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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.