Finding the Fourth Proportional to 2,742,523.71, 3,782,860.38 and 1,763,700.26
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Solution
The fourth proportional to 2,742,523.71, 3,782,860.38 and 1,763,700.26 is: 2,432,734.42
Step by Step Solution
- Step 1: Write the proportion equation
2,742,523.71 : 3,782,860.38 = 1,763,700.26 : x - Step 2: Convert to fraction form
2,742,523.71/3,782,860.38 = 1,763,700.26/x - Step 3: Cross multiply
2,742,523.71x = 3,782,860.38 × 1,763,700.26 - Step 4: Simplify right side
2,742,523.71x = 6,671,831,833,329.11 - Step 5: Solve for x
x = 6,671,831,833,329.11/2,742,523.71 - Step 6: Final answer
x = 2,432,734.42
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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.