Finding the Fourth Proportional to 3,742,295.71, 5,163,189.21 and 2,290,477.63
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Solution
The fourth proportional to 3,742,295.71, 5,163,189.21 and 2,290,477.63 is: 3,160,137.60
Step by Step Solution
- Step 1: Write the proportion equation
3,742,295.71 : 5,163,189.21 = 2,290,477.63 : x - Step 2: Convert to fraction form
3,742,295.71/5,163,189.21 = 2,290,477.63/x - Step 3: Cross multiply
3,742,295.71x = 5,163,189.21 × 2,290,477.63 - Step 4: Simplify right side
3,742,295.71x = 11,826,169,384,962.37 - Step 5: Solve for x
x = 11,826,169,384,962.37/3,742,295.71 - Step 6: Final answer
x = 3,160,137.60
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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.