Finding the Fourth Proportional to 2,143,115.80, 3,214,673.70 and 944,421.10
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Solution
The fourth proportional to 2,143,115.80, 3,214,673.70 and 944,421.10 is: 1,416,631.65
Step by Step Solution
- Step 1: Write the proportion equation
2,143,115.80 : 3,214,673.70 = 944,421.10 : x - Step 2: Convert to fraction form
2,143,115.80/3,214,673.70 = 944,421.10/x - Step 3: Cross multiply
2,143,115.80x = 3,214,673.70 × 944,421.10 - Step 4: Simplify right side
2,143,115.80x = 3,036,005,671,895.07 - Step 5: Solve for x
x = 3,036,005,671,895.07/2,143,115.80 - Step 6: Final answer
x = 1,416,631.65
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Similar ratio
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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.