Finding the Fourth Proportional to 1,539,225.76, 2,124,134.43 and 860,162.26
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Solution
The fourth proportional to 1,539,225.76, 2,124,134.43 and 860,162.26 is: 1,187,025.53
Step by Step Solution
- Step 1: Write the proportion equation
1,539,225.76 : 2,124,134.43 = 860,162.26 : x - Step 2: Convert to fraction form
1,539,225.76/2,124,134.43 = 860,162.26/x - Step 3: Cross multiply
1,539,225.76x = 2,124,134.43 × 860,162.26 - Step 4: Simplify right side
1,539,225.76x = 1,827,100,271,852.61 - Step 5: Solve for x
x = 1,827,100,271,852.61/1,539,225.76 - Step 6: Final answer
x = 1,187,025.53
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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.