Finding the Fourth Proportional to 1,539,445.38, 2,124,429.29 and 860,381.88
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Solution
The fourth proportional to 1,539,445.38, 2,124,429.29 and 860,381.88 is: 1,187,324.01
Step by Step Solution
- Step 1: Write the proportion equation
1,539,445.38 : 2,124,429.29 = 860,381.88 : x - Step 2: Convert to fraction form
1,539,445.38/2,124,429.29 = 860,381.88/x - Step 3: Cross multiply
1,539,445.38x = 2,124,429.29 × 860,381.88 - Step 4: Simplify right side
1,539,445.38x = 1,827,820,457,415.18 - Step 5: Solve for x
x = 1,827,820,457,415.18/1,539,445.38 - Step 6: Final answer
x = 1,187,324.01
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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.