Finding the Fourth Proportional to 3,896,178.01, 5,376,545.45 and 2,177,283.49
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Solution
The fourth proportional to 3,896,178.01, 5,376,545.45 and 2,177,283.49 is: 3,004,550.51
Step by Step Solution
- Step 1: Write the proportion equation
3,896,178.01 : 5,376,545.45 = 2,177,283.49 : x - Step 2: Convert to fraction form
3,896,178.01/5,376,545.45 = 2,177,283.49/x - Step 3: Cross multiply
3,896,178.01x = 5,376,545.45 × 2,177,283.49 - Step 4: Simplify right side
3,896,178.01x = 11,706,263,630,633.21 - Step 5: Solve for x
x = 11,706,263,630,633.21/3,896,178.01 - Step 6: Final answer
x = 3,004,550.51
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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.