Finding the Fourth Proportional to 2,688,411.26, 3,709,834.53 and 1,600,762.70
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Solution
The fourth proportional to 2,688,411.26, 3,709,834.53 and 1,600,762.70 is: 2,208,949.51
Step by Step Solution
- Step 1: Write the proportion equation
2,688,411.26 : 3,709,834.53 = 1,600,762.70 : x - Step 2: Convert to fraction form
2,688,411.26/3,709,834.53 = 1,600,762.70/x - Step 3: Cross multiply
2,688,411.26x = 3,709,834.53 × 1,600,762.70 - Step 4: Simplify right side
2,688,411.26x = 5,938,564,742,067.76 - Step 5: Solve for x
x = 5,938,564,742,067.76/2,688,411.26 - Step 6: Final answer
x = 2,208,949.51
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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.