Finding the Fourth Proportional to 2,854,821.33, 3,939,288.95 and 1,631,206.05
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Solution
The fourth proportional to 2,854,821.33, 3,939,288.95 and 1,631,206.05 is: 2,250,856.08
Step by Step Solution
- Step 1: Write the proportion equation
2,854,821.33 : 3,939,288.95 = 1,631,206.05 : x - Step 2: Convert to fraction form
2,854,821.33/3,939,288.95 = 1,631,206.05/x - Step 3: Cross multiply
2,854,821.33x = 3,939,288.95 × 1,631,206.05 - Step 4: Simplify right side
2,854,821.33x = 6,425,791,959,782.12 - Step 5: Solve for x
x = 6,425,791,959,782.12/2,854,821.33 - Step 6: Final answer
x = 2,250,856.08
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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.