Finding the Fourth Proportional to 5,192,179.98, 7,791,058.44 and 2,161,637.70
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Solution
The fourth proportional to 5,192,179.98, 7,791,058.44 and 2,161,637.70 is: 3,243,617.46
Step by Step Solution
- Step 1: Write the proportion equation
5,192,179.98 : 7,791,058.44 = 2,161,637.70 : x - Step 2: Convert to fraction form
5,192,179.98/7,791,058.44 = 2,161,637.70/x - Step 3: Cross multiply
5,192,179.98x = 7,791,058.44 × 2,161,637.70 - Step 4: Simplify right side
5,192,179.98x = 16,841,445,646,807.19 - Step 5: Solve for x
x = 16,841,445,646,807.19/5,192,179.98 - Step 6: Final answer
x = 3,243,617.46
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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.