Finding the Fourth Proportional to 1,055,103.87, 1,582,332.62 and 381,102.06
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Solution
The fourth proportional to 1,055,103.87, 1,582,332.62 and 381,102.06 is: 571,536.36
Step by Step Solution
- Step 1: Write the proportion equation
1,055,103.87 : 1,582,332.62 = 381,102.06 : x - Step 2: Convert to fraction form
1,055,103.87/1,582,332.62 = 381,102.06/x - Step 3: Cross multiply
1,055,103.87x = 1,582,332.62 × 381,102.06 - Step 4: Simplify right side
1,055,103.87x = 603,030,227,259.13 - Step 5: Solve for x
x = 603,030,227,259.13/1,055,103.87 - Step 6: Final answer
x = 571,536.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.