Finding the Fourth Proportional to 1,539,988.02, 2,125,197.57 and 851,624.31
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Solution
The fourth proportional to 1,539,988.02, 2,125,197.57 and 851,624.31 is: 1,175,249.35
Step by Step Solution
- Step 1: Write the proportion equation
1,539,988.02 : 2,125,197.57 = 851,624.31 : x - Step 2: Convert to fraction form
1,539,988.02/2,125,197.57 = 851,624.31/x - Step 3: Cross multiply
1,539,988.02x = 2,125,197.57 × 851,624.31 - Step 4: Simplify right side
1,539,988.02x = 1,809,869,914,164.93 - Step 5: Solve for x
x = 1,809,869,914,164.93/1,539,988.02 - Step 6: Final answer
x = 1,175,249.35
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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.