Finding the Fourth Proportional to 3,886,212.74, 5,363,237.21 and 2,254,619.61
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Solution
The fourth proportional to 3,886,212.74, 5,363,237.21 and 2,254,619.61 is: 3,111,528.01
Step by Step Solution
- Step 1: Write the proportion equation
3,886,212.74 : 5,363,237.21 = 2,254,619.61 : x - Step 2: Convert to fraction form
3,886,212.74/5,363,237.21 = 2,254,619.61/x - Step 3: Cross multiply
3,886,212.74x = 5,363,237.21 × 2,254,619.61 - Step 4: Simplify right side
3,886,212.74x = 12,092,059,775,474.59 - Step 5: Solve for x
x = 12,092,059,775,474.59/3,886,212.74 - Step 6: Final answer
x = 3,111,528.01
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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.