Finding the Fourth Proportional to 1,539,276.50, 2,124,161.97 and 860,218.58
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Solution
The fourth proportional to 1,539,276.50, 2,124,161.97 and 860,218.58 is: 1,187,079.51
Step by Step Solution
- Step 1: Write the proportion equation
1,539,276.50 : 2,124,161.97 = 860,218.58 : x - Step 2: Convert to fraction form
1,539,276.50/2,124,161.97 = 860,218.58/x - Step 3: Cross multiply
1,539,276.50x = 2,124,161.97 × 860,218.58 - Step 4: Simplify right side
1,539,276.50x = 1,827,243,593,523.40 - Step 5: Solve for x
x = 1,827,243,593,523.40/1,539,276.50 - Step 6: Final answer
x = 1,187,079.51
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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.