Finding the Fourth Proportional to 1,539,445.94, 2,124,430.07 and 860,382.44
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Solution
The fourth proportional to 1,539,445.94, 2,124,430.07 and 860,382.44 is: 1,187,324.79
Step by Step Solution
- Step 1: Write the proportion equation
1,539,445.94 : 2,124,430.07 = 860,382.44 : x - Step 2: Convert to fraction form
1,539,445.94/2,124,430.07 = 860,382.44/x - Step 3: Cross multiply
1,539,445.94x = 2,124,430.07 × 860,382.44 - Step 4: Simplify right side
1,539,445.94x = 1,827,822,320,278.52 - Step 5: Solve for x
x = 1,827,822,320,278.52/1,539,445.94 - Step 6: Final answer
x = 1,187,324.79
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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.