Finding the Fourth Proportional to 3,742,930.80, 5,611,631.40 and 1,497,913.20
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Solution
The fourth proportional to 3,742,930.80, 5,611,631.40 and 1,497,913.20 is: 2,245,763.33
Step by Step Solution
- Step 1: Write the proportion equation
3,742,930.80 : 5,611,631.40 = 1,497,913.20 : x - Step 2: Convert to fraction form
3,742,930.80/5,611,631.40 = 1,497,913.20/x - Step 3: Cross multiply
3,742,930.80x = 5,611,631.40 × 1,497,913.20 - Step 4: Simplify right side
3,742,930.80x = 8,405,736,747,594.48 - Step 5: Solve for x
x = 8,405,736,747,594.48/3,742,930.80 - Step 6: Final answer
x = 2,245,763.33
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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.