Finding the Fourth Proportional to 4,162,328.40, 6,241,937.40 and 2,896,395.60
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Solution
The fourth proportional to 4,162,328.40, 6,241,937.40 and 2,896,395.60 is: 4,343,511.20
Step by Step Solution
- Step 1: Write the proportion equation
4,162,328.40 : 6,241,937.40 = 2,896,395.60 : x - Step 2: Convert to fraction form
4,162,328.40/6,241,937.40 = 2,896,395.60/x - Step 3: Cross multiply
4,162,328.40x = 6,241,937.40 × 2,896,395.60 - Step 4: Simplify right side
4,162,328.40x = 18,079,120,020,835.44 - Step 5: Solve for x
x = 18,079,120,020,835.44/4,162,328.40 - Step 6: Final answer
x = 4,343,511.20
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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.