Finding the Fourth Proportional to 7,720,210.72, 11,576,952.18 and 2,601,686.23
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Solution
The fourth proportional to 7,720,210.72, 11,576,952.18 and 2,601,686.23 is: 3,901,395.72
Step by Step Solution
- Step 1: Write the proportion equation
7,720,210.72 : 11,576,952.18 = 2,601,686.23 : x - Step 2: Convert to fraction form
7,720,210.72/11,576,952.18 = 2,601,686.23/x - Step 3: Cross multiply
7,720,210.72x = 11,576,952.18 × 2,601,686.23 - Step 4: Simplify right side
7,720,210.72x = 30,119,597,043,132.10 - Step 5: Solve for x
x = 30,119,597,043,132.10/7,720,210.72 - Step 6: Final answer
x = 3,901,395.72
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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.