Finding the Fourth Proportional to 3,995,393.87, 5,513,664.80 and 2,184,557.87
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Solution
The fourth proportional to 3,995,393.87, 5,513,664.80 and 2,184,557.87 is: 3,014,701.48
Step by Step Solution
- Step 1: Write the proportion equation
3,995,393.87 : 5,513,664.80 = 2,184,557.87 : x - Step 2: Convert to fraction form
3,995,393.87/5,513,664.80 = 2,184,557.87/x - Step 3: Cross multiply
3,995,393.87x = 5,513,664.80 × 2,184,557.87 - Step 4: Simplify right side
3,995,393.87x = 12,044,919,831,381.98 - Step 5: Solve for x
x = 12,044,919,831,381.98/3,995,393.87 - Step 6: Final answer
x = 3,014,701.48
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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.