Finding the Fourth Proportional to 2,043,178.23, 2,819,922.27 and 1,558,828.20
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Solution
The fourth proportional to 2,043,178.23, 2,819,922.27 and 1,558,828.20 is: 2,151,439.50
Step by Step Solution
- Step 1: Write the proportion equation
2,043,178.23 : 2,819,922.27 = 1,558,828.20 : x - Step 2: Convert to fraction form
2,043,178.23/2,819,922.27 = 1,558,828.20/x - Step 3: Cross multiply
2,043,178.23x = 2,819,922.27 × 1,558,828.20 - Step 4: Simplify right side
2,043,178.23x = 4,395,774,356,284.01 - Step 5: Solve for x
x = 4,395,774,356,284.01/2,043,178.23 - Step 6: Final answer
x = 2,151,439.50
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1.5x scale
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.