Finding the Fourth Proportional to 1,567,392.10, 2,351,090.14 and 430,169.85
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Solution
The fourth proportional to 1,567,392.10, 2,351,090.14 and 430,169.85 is: 645,255.32
Step by Step Solution
- Step 1: Write the proportion equation
1,567,392.10 : 2,351,090.14 = 430,169.85 : x - Step 2: Convert to fraction form
1,567,392.10/2,351,090.14 = 430,169.85/x - Step 3: Cross multiply
1,567,392.10x = 2,351,090.14 × 430,169.85 - Step 4: Simplify right side
1,567,392.10x = 1,011,368,092,860.28 - Step 5: Solve for x
x = 1,011,368,092,860.28/1,567,392.10 - Step 6: Final answer
x = 645,255.32
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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.