Finding the Fourth Proportional to 1,539,877.32, 2,125,044.36 and 851,595.84
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Solution
The fourth proportional to 1,539,877.32, 2,125,044.36 and 851,595.84 is: 1,175,209.81
Step by Step Solution
- Step 1: Write the proportion equation
1,539,877.32 : 2,125,044.36 = 851,595.84 : x - Step 2: Convert to fraction form
1,539,877.32/2,125,044.36 = 851,595.84/x - Step 3: Cross multiply
1,539,877.32x = 2,125,044.36 × 851,595.84 - Step 4: Simplify right side
1,539,877.32x = 1,809,678,936,791.46 - Step 5: Solve for x
x = 1,809,678,936,791.46/1,539,877.32 - Step 6: Final answer
x = 1,175,209.81
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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.