Finding the Fourth Proportional to 5,421,062.21, 8,130,228.19 and 2,227,070.21
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Solution
The fourth proportional to 5,421,062.21, 8,130,228.19 and 2,227,070.21 is: 3,340,044.49
Step by Step Solution
- Step 1: Write the proportion equation
5,421,062.21 : 8,130,228.19 = 2,227,070.21 : x - Step 2: Convert to fraction form
5,421,062.21/8,130,228.19 = 2,227,070.21/x - Step 3: Cross multiply
5,421,062.21x = 8,130,228.19 × 2,227,070.21 - Step 4: Simplify right side
5,421,062.21x = 18,106,588,956,232.40 - Step 5: Solve for x
x = 18,106,588,956,232.40/5,421,062.21 - Step 6: Final answer
x = 3,340,044.49
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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.