Finding the Fourth Proportional to 1,539,208.26, 2,124,110.28 and 860,144.76
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Solution
The fourth proportional to 1,539,208.26, 2,124,110.28 and 860,144.76 is: 1,187,001.38
Step by Step Solution
- Step 1: Write the proportion equation
1,539,208.26 : 2,124,110.28 = 860,144.76 : x - Step 2: Convert to fraction form
1,539,208.26/2,124,110.28 = 860,144.76/x - Step 3: Cross multiply
1,539,208.26x = 2,124,110.28 × 860,144.76 - Step 4: Simplify right side
1,539,208.26x = 1,827,042,327,004.13 - Step 5: Solve for x
x = 1,827,042,327,004.13/1,539,208.26 - Step 6: Final answer
x = 1,187,001.38
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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.