Finding the Fourth Proportional to 2,181,660.02, 3,010,827.54 and 1,201,598.84
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Solution
The fourth proportional to 2,181,660.02, 3,010,827.54 and 1,201,598.84 is: 1,658,281.70
Step by Step Solution
- Step 1: Write the proportion equation
2,181,660.02 : 3,010,827.54 = 1,201,598.84 : x - Step 2: Convert to fraction form
2,181,660.02/3,010,827.54 = 1,201,598.84/x - Step 3: Cross multiply
2,181,660.02x = 3,010,827.54 × 1,201,598.84 - Step 4: Simplify right side
2,181,660.02x = 3,617,806,879,504.05 - Step 5: Solve for x
x = 3,617,806,879,504.05/2,181,660.02 - Step 6: Final answer
x = 1,658,281.70
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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.