Finding the Fourth Proportional to 2,914,312.20, 4,021,754.94 and 1,607,535.06
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Solution
The fourth proportional to 2,914,312.20, 4,021,754.94 and 1,607,535.06 is: 2,218,400.65
Step by Step Solution
- Step 1: Write the proportion equation
2,914,312.20 : 4,021,754.94 = 1,607,535.06 : x - Step 2: Convert to fraction form
2,914,312.20/4,021,754.94 = 1,607,535.06/x - Step 3: Cross multiply
2,914,312.20x = 4,021,754.94 × 1,607,535.06 - Step 4: Simplify right side
2,914,312.20x = 6,465,112,068,778.20 - Step 5: Solve for x
x = 6,465,112,068,778.20/2,914,312.20 - Step 6: Final answer
x = 2,218,400.65
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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.