Finding the Fourth Proportional to 1,567,340.14, 2,351,012.80 and 430,117.92
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Solution
The fourth proportional to 1,567,340.14, 2,351,012.80 and 430,117.92 is: 645,177.59
Step by Step Solution
- Step 1: Write the proportion equation
1,567,340.14 : 2,351,012.80 = 430,117.92 : x - Step 2: Convert to fraction form
1,567,340.14/2,351,012.80 = 430,117.92/x - Step 3: Cross multiply
1,567,340.14x = 2,351,012.80 × 430,117.92 - Step 4: Simplify right side
1,567,340.14x = 1,011,212,735,429.38 - Step 5: Solve for x
x = 1,011,212,735,429.38/1,567,340.14 - Step 6: Final answer
x = 645,177.59
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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.