Finding the Fourth Proportional to 2,153,745.99, 2,970,097.07 and 1,417,383.09
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Solution
The fourth proportional to 2,153,745.99, 2,970,097.07 and 1,417,383.09 is: 1,954,624.81
Step by Step Solution
- Step 1: Write the proportion equation
2,153,745.99 : 2,970,097.07 = 1,417,383.09 : x - Step 2: Convert to fraction form
2,153,745.99/2,970,097.07 = 1,417,383.09/x - Step 3: Cross multiply
2,153,745.99x = 2,970,097.07 × 1,417,383.09 - Step 4: Simplify right side
2,153,745.99x = 4,209,765,355,589.63 - Step 5: Solve for x
x = 4,209,765,355,589.63/2,153,745.99 - Step 6: Final answer
x = 1,954,624.81
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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.