Finding the Fourth Proportional to 1,539,504.24, 2,124,479.16 and 860,503.92
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Solution
The fourth proportional to 1,539,504.24, 2,124,479.16 and 860,503.92 is: 1,187,474.90
Step by Step Solution
- Step 1: Write the proportion equation
1,539,504.24 : 2,124,479.16 = 860,503.92 : x - Step 2: Convert to fraction form
1,539,504.24/2,124,479.16 = 860,503.92/x - Step 3: Cross multiply
1,539,504.24x = 2,124,479.16 × 860,503.92 - Step 4: Simplify right side
1,539,504.24x = 1,828,122,645,138.31 - Step 5: Solve for x
x = 1,828,122,645,138.31/1,539,504.24 - Step 6: Final answer
x = 1,187,474.90
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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.