Finding the Fourth Proportional to 7,621,966.68, 10,517,927.34 and 4,524,622.68
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Solution
The fourth proportional to 7,621,966.68, 10,517,927.34 and 4,524,622.68 is: 6,243,749.75
Step by Step Solution
- Step 1: Write the proportion equation
7,621,966.68 : 10,517,927.34 = 4,524,622.68 : x - Step 2: Convert to fraction form
7,621,966.68/10,517,927.34 = 4,524,622.68/x - Step 3: Cross multiply
7,621,966.68x = 10,517,927.34 × 4,524,622.68 - Step 4: Simplify right side
7,621,966.68x = 47,589,652,589,156.07 - Step 5: Solve for x
x = 47,589,652,589,156.07/7,621,966.68 - Step 6: Final answer
x = 6,243,749.75
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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.