Finding the Fourth Proportional to 1,539,878.32, 2,125,045.74 and 851,596.84
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Solution
The fourth proportional to 1,539,878.32, 2,125,045.74 and 851,596.84 is: 1,175,211.19
Step by Step Solution
- Step 1: Write the proportion equation
1,539,878.32 : 2,125,045.74 = 851,596.84 : x - Step 2: Convert to fraction form
1,539,878.32/2,125,045.74 = 851,596.84/x - Step 3: Cross multiply
1,539,878.32x = 2,125,045.74 × 851,596.84 - Step 4: Simplify right side
1,539,878.32x = 1,809,682,237,039.46 - Step 5: Solve for x
x = 1,809,682,237,039.46/1,539,878.32 - Step 6: Final answer
x = 1,175,211.19
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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.