Finding the Fourth Proportional to 1,567,340.09, 2,351,012.64 and 430,117.87
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Solution
The fourth proportional to 1,567,340.09, 2,351,012.64 and 430,117.87 is: 645,177.49
Step by Step Solution
- Step 1: Write the proportion equation
1,567,340.09 : 2,351,012.64 = 430,117.87 : x - Step 2: Convert to fraction form
1,567,340.09/2,351,012.64 = 430,117.87/x - Step 3: Cross multiply
1,567,340.09x = 2,351,012.64 × 430,117.87 - Step 4: Simplify right side
1,567,340.09x = 1,011,212,549,059.88 - Step 5: Solve for x
x = 1,011,212,549,059.88/1,567,340.09 - Step 6: Final answer
x = 645,177.49
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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.