Finding the Fourth Proportional to 1,539,994.77, 2,125,206.89 and 851,631.06
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Solution
The fourth proportional to 1,539,994.77, 2,125,206.89 and 851,631.06 is: 1,175,258.66
Step by Step Solution
- Step 1: Write the proportion equation
1,539,994.77 : 2,125,206.89 = 851,631.06 : x - Step 2: Convert to fraction form
1,539,994.77/2,125,206.89 = 851,631.06/x - Step 3: Cross multiply
1,539,994.77x = 2,125,206.89 × 851,631.06 - Step 4: Simplify right side
1,539,994.77x = 1,809,892,192,191.85 - Step 5: Solve for x
x = 1,809,892,192,191.85/1,539,994.77 - Step 6: Final answer
x = 1,175,258.66
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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.