Finding the Fourth Proportional to 4,384,381.74, 6,576,575.80 and 1,189,507.65
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Solution
The fourth proportional to 4,384,381.74, 6,576,575.80 and 1,189,507.65 is: 1,784,262.34
Step by Step Solution
- Step 1: Write the proportion equation
4,384,381.74 : 6,576,575.80 = 1,189,507.65 : x - Step 2: Convert to fraction form
4,384,381.74/6,576,575.80 = 1,189,507.65/x - Step 3: Cross multiply
4,384,381.74x = 6,576,575.80 × 1,189,507.65 - Step 4: Simplify right side
4,384,381.74x = 7,822,887,224,904.87 - Step 5: Solve for x
x = 7,822,887,224,904.87/4,384,381.74 - Step 6: Final answer
x = 1,784,262.34
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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.