Finding the Fourth Proportional to 2,106,711.18, 2,907,240.76 and 1,139,820.26
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Solution
The fourth proportional to 2,106,711.18, 2,907,240.76 and 1,139,820.26 is: 1,572,940.77
Step by Step Solution
- Step 1: Write the proportion equation
2,106,711.18 : 2,907,240.76 = 1,139,820.26 : x - Step 2: Convert to fraction form
2,106,711.18/2,907,240.76 = 1,139,820.26/x - Step 3: Cross multiply
2,106,711.18x = 2,907,240.76 × 1,139,820.26 - Step 4: Simplify right side
2,106,711.18x = 3,313,731,905,834.37 - Step 5: Solve for x
x = 3,313,731,905,834.37/2,106,711.18 - Step 6: Final answer
x = 1,572,940.77
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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.