Finding the Fourth Proportional to 2,085,885.39, 2,878,813.50 and 1,506,982.05
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Solution
The fourth proportional to 2,085,885.39, 2,878,813.50 and 1,506,982.05 is: 2,079,845.94
Step by Step Solution
- Step 1: Write the proportion equation
2,085,885.39 : 2,878,813.50 = 1,506,982.05 : x - Step 2: Convert to fraction form
2,085,885.39/2,878,813.50 = 1,506,982.05/x - Step 3: Cross multiply
2,085,885.39x = 2,878,813.50 × 1,506,982.05 - Step 4: Simplify right side
2,085,885.39x = 4,338,320,269,797.68 - Step 5: Solve for x
x = 4,338,320,269,797.68/2,085,885.39 - Step 6: Final answer
x = 2,079,845.94
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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.