Finding the Fourth Proportional to 1,935,485.13, 2,670,676.44 and 1,108,430.07
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Solution
The fourth proportional to 1,935,485.13, 2,670,676.44 and 1,108,430.07 is: 1,529,465.68
Step by Step Solution
- Step 1: Write the proportion equation
1,935,485.13 : 2,670,676.44 = 1,108,430.07 : x - Step 2: Convert to fraction form
1,935,485.13/2,670,676.44 = 1,108,430.07/x - Step 3: Cross multiply
1,935,485.13x = 2,670,676.44 × 1,108,430.07 - Step 4: Simplify right side
1,935,485.13x = 2,960,258,073,336.55 - Step 5: Solve for x
x = 2,960,258,073,336.55/1,935,485.13 - Step 6: Final answer
x = 1,529,465.68
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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.