Finding the Fourth Proportional to 1,731,267.49, 2,608,718.39 and 1,422,638.05
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Solution
The fourth proportional to 1,731,267.49, 2,608,718.39 and 1,422,638.05 is: 2,143,667.61
Step by Step Solution
- Step 1: Write the proportion equation
1,731,267.49 : 2,608,718.39 = 1,422,638.05 : x - Step 2: Convert to fraction form
1,731,267.49/2,608,718.39 = 1,422,638.05/x - Step 3: Cross multiply
1,731,267.49x = 2,608,718.39 × 1,422,638.05 - Step 4: Simplify right side
1,731,267.49x = 3,711,262,043,348.74 - Step 5: Solve for x
x = 3,711,262,043,348.74/1,731,267.49 - Step 6: Final answer
x = 2,143,667.61
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.