Finding the Fourth Proportional to 4,216,137.21, 5,818,221.09 and 2,282,355.36
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Solution
The fourth proportional to 4,216,137.21, 5,818,221.09 and 2,282,355.36 is: 3,149,624.27
Step by Step Solution
- Step 1: Write the proportion equation
4,216,137.21 : 5,818,221.09 = 2,282,355.36 : x - Step 2: Convert to fraction form
4,216,137.21/5,818,221.09 = 2,282,355.36/x - Step 3: Cross multiply
4,216,137.21x = 5,818,221.09 × 2,282,355.36 - Step 4: Simplify right side
4,216,137.21x = 13,279,248,090,426.54 - Step 5: Solve for x
x = 13,279,248,090,426.54/4,216,137.21 - Step 6: Final answer
x = 3,149,624.27
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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.