Finding the Fourth Proportional to 1,860,763.70, 2,791,705.86 and 581,319.49
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Solution
The fourth proportional to 1,860,763.70, 2,791,705.86 and 581,319.49 is: 872,154.28
Step by Step Solution
- Step 1: Write the proportion equation
1,860,763.70 : 2,791,705.86 = 581,319.49 : x - Step 2: Convert to fraction form
1,860,763.70/2,791,705.86 = 581,319.49/x - Step 3: Cross multiply
1,860,763.70x = 2,791,705.86 × 581,319.49 - Step 4: Simplify right side
1,860,763.70x = 1,622,873,026,765.21 - Step 5: Solve for x
x = 1,622,873,026,765.21/1,860,763.70 - Step 6: Final answer
x = 872,154.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.