Finding the Fourth Proportional to 2,221,648.76, 3,065,874.54 and 1,203,053.24
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Solution
The fourth proportional to 2,221,648.76, 3,065,874.54 and 1,203,053.24 is: 1,660,213.07
Step by Step Solution
- Step 1: Write the proportion equation
2,221,648.76 : 3,065,874.54 = 1,203,053.24 : x - Step 2: Convert to fraction form
2,221,648.76/3,065,874.54 = 1,203,053.24/x - Step 3: Cross multiply
2,221,648.76x = 3,065,874.54 × 1,203,053.24 - Step 4: Simplify right side
2,221,648.76x = 3,688,410,298,780.51 - Step 5: Solve for x
x = 3,688,410,298,780.51/2,221,648.76 - Step 6: Final answer
x = 1,660,213.07
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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.