Finding the Fourth Proportional to 2,134,215.56, 3,201,328.81 and 872,043.18
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Solution
The fourth proportional to 2,134,215.56, 3,201,328.81 and 872,043.18 is: 1,308,067.01
Step by Step Solution
- Step 1: Write the proportion equation
2,134,215.56 : 3,201,328.81 = 872,043.18 : x - Step 2: Convert to fraction form
2,134,215.56/3,201,328.81 = 872,043.18/x - Step 3: Cross multiply
2,134,215.56x = 3,201,328.81 × 872,043.18 - Step 4: Simplify right side
2,134,215.56x = 2,791,696,955,698.02 - Step 5: Solve for x
x = 2,791,696,955,698.02/2,134,215.56 - Step 6: Final answer
x = 1,308,067.01
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.