Finding the Fourth Proportional to 3,742,296.57, 5,163,190.40 and 2,290,478.49
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Solution
The fourth proportional to 3,742,296.57, 5,163,190.40 and 2,290,478.49 is: 3,160,138.79
Step by Step Solution
- Step 1: Write the proportion equation
3,742,296.57 : 5,163,190.40 = 2,290,478.49 : x - Step 2: Convert to fraction form
3,742,296.57/5,163,190.40 = 2,290,478.49/x - Step 3: Cross multiply
3,742,296.57x = 5,163,190.40 × 2,290,478.49 - Step 4: Simplify right side
3,742,296.57x = 11,826,176,556,700.69 - Step 5: Solve for x
x = 11,826,176,556,700.69/3,742,296.57 - Step 6: Final answer
x = 3,160,138.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.