Finding the Fourth Proportional to 1,539,217.26, 2,124,122.67 and 860,153.76
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Solution
The fourth proportional to 1,539,217.26, 2,124,122.67 and 860,153.76 is: 1,187,013.78
Step by Step Solution
- Step 1: Write the proportion equation
1,539,217.26 : 2,124,122.67 = 860,153.76 : x - Step 2: Convert to fraction form
1,539,217.26/2,124,122.67 = 860,153.76/x - Step 3: Cross multiply
1,539,217.26x = 2,124,122.67 × 860,153.76 - Step 4: Simplify right side
1,539,217.26x = 1,827,072,101,301.74 - Step 5: Solve for x
x = 1,827,072,101,301.74/1,539,217.26 - Step 6: Final answer
x = 1,187,013.78
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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.