Finding the Fourth Proportional to 1,860,587.40, 2,791,278.60 and 646,201.58
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Solution
The fourth proportional to 1,860,587.40, 2,791,278.60 and 646,201.58 is: 969,440.43
Step by Step Solution
- Step 1: Write the proportion equation
1,860,587.40 : 2,791,278.60 = 646,201.58 : x - Step 2: Convert to fraction form
1,860,587.40/2,791,278.60 = 646,201.58/x - Step 3: Cross multiply
1,860,587.40x = 2,791,278.60 × 646,201.58 - Step 4: Simplify right side
1,860,587.40x = 1,803,728,641,540.19 - Step 5: Solve for x
x = 1,803,728,641,540.19/1,860,587.40 - Step 6: Final answer
x = 969,440.43
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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.