Finding the Fourth Proportional to 1,567,011.70, 2,350,954.95 and 768,319.30
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Solution
The fourth proportional to 1,567,011.70, 2,350,954.95 and 768,319.30 is: 1,152,693.41
Step by Step Solution
- Step 1: Write the proportion equation
1,567,011.70 : 2,350,954.95 = 768,319.30 : x - Step 2: Convert to fraction form
1,567,011.70/2,350,954.95 = 768,319.30/x - Step 3: Cross multiply
1,567,011.70x = 2,350,954.95 × 768,319.30 - Step 4: Simplify right side
1,567,011.70x = 1,806,284,061,515.54 - Step 5: Solve for x
x = 1,806,284,061,515.54/1,567,011.70 - Step 6: Final answer
x = 1,152,693.41
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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.