Finding the Fourth Proportional to 4,018,214.28, 5,545,235.70 and 2,182,671.99
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Solution
The fourth proportional to 4,018,214.28, 5,545,235.70 and 2,182,671.99 is: 3,012,141.66
Step by Step Solution
- Step 1: Write the proportion equation
4,018,214.28 : 5,545,235.70 = 2,182,671.99 : x - Step 2: Convert to fraction form
4,018,214.28/5,545,235.70 = 2,182,671.99/x - Step 3: Cross multiply
4,018,214.28x = 5,545,235.70 × 2,182,671.99 - Step 4: Simplify right side
4,018,214.28x = 12,103,430,640,338.04 - Step 5: Solve for x
x = 12,103,430,640,338.04/4,018,214.28 - Step 6: Final answer
x = 3,012,141.66
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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.