Finding the Fourth Proportional to 1,856,299.42, 2,785,243.18 and 777,064.20
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Solution
The fourth proportional to 1,856,299.42, 2,785,243.18 and 777,064.20 is: 1,165,928.70
Step by Step Solution
- Step 1: Write the proportion equation
1,856,299.42 : 2,785,243.18 = 777,064.20 : x - Step 2: Convert to fraction form
1,856,299.42/2,785,243.18 = 777,064.20/x - Step 3: Cross multiply
1,856,299.42x = 2,785,243.18 × 777,064.20 - Step 4: Simplify right side
1,856,299.42x = 2,164,312,763,472.16 - Step 5: Solve for x
x = 2,164,312,763,472.16/1,856,299.42 - Step 6: Final answer
x = 1,165,928.70
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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.