Finding the Fourth Proportional to 1,879,583.76, 2,593,829.40 and 1,115,790.48
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Solution
The fourth proportional to 1,879,583.76, 2,593,829.40 and 1,115,790.48 is: 1,539,793.12
Step by Step Solution
- Step 1: Write the proportion equation
1,879,583.76 : 2,593,829.40 = 1,115,790.48 : x - Step 2: Convert to fraction form
1,879,583.76/2,593,829.40 = 1,115,790.48/x - Step 3: Cross multiply
1,879,583.76x = 2,593,829.40 × 1,115,790.48 - Step 4: Simplify right side
1,879,583.76x = 2,894,170,151,264.11 - Step 5: Solve for x
x = 2,894,170,151,264.11/1,879,583.76 - Step 6: Final answer
x = 1,539,793.12
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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.