Finding the Fourth Proportional to 2,873,317.12, 4,312,780.53 and 2,372,975.26
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Solution
The fourth proportional to 2,873,317.12, 4,312,780.53 and 2,372,975.26 is: 3,561,779.32
Step by Step Solution
- Step 1: Write the proportion equation
2,873,317.12 : 4,312,780.53 = 2,372,975.26 : x - Step 2: Convert to fraction form
2,873,317.12/4,312,780.53 = 2,372,975.26/x - Step 3: Cross multiply
2,873,317.12x = 4,312,780.53 × 2,372,975.26 - Step 4: Simplify right side
2,873,317.12x = 10,234,121,499,499.69 - Step 5: Solve for x
x = 10,234,121,499,499.69/2,873,317.12 - Step 6: Final answer
x = 3,561,779.32
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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.