Finding the Fourth Proportional to 7,104,739.05, 10,657,085.90 and 2,555,779.05
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Solution
The fourth proportional to 7,104,739.05, 10,657,085.90 and 2,555,779.05 is: 3,833,660.42
Step by Step Solution
- Step 1: Write the proportion equation
7,104,739.05 : 10,657,085.90 = 2,555,779.05 : x - Step 2: Convert to fraction form
7,104,739.05/10,657,085.90 = 2,555,779.05/x - Step 3: Cross multiply
7,104,739.05x = 10,657,085.90 × 2,555,779.05 - Step 4: Simplify right side
7,104,739.05x = 27,237,156,864,491.50 - Step 5: Solve for x
x = 27,237,156,864,491.50/7,104,739.05 - Step 6: Final answer
x = 3,833,660.42
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.