Finding the Fourth Proportional to 4,022,628.99, 5,551,337.12 and 2,187,210.75
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Solution
The fourth proportional to 4,022,628.99, 5,551,337.12 and 2,187,210.75 is: 3,018,410.16
Step by Step Solution
- Step 1: Write the proportion equation
4,022,628.99 : 5,551,337.12 = 2,187,210.75 : x - Step 2: Convert to fraction form
4,022,628.99/5,551,337.12 = 2,187,210.75/x - Step 3: Cross multiply
4,022,628.99x = 5,551,337.12 × 2,187,210.75 - Step 4: Simplify right side
4,022,628.99x = 12,141,944,214,801.99 - Step 5: Solve for x
x = 12,141,944,214,801.99/4,022,628.99 - Step 6: Final answer
x = 3,018,410.16
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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.