Finding the Fourth Proportional to 1,604,760.55, 2,403,147.87 and 1,122,731.57
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Solution
The fourth proportional to 1,604,760.55, 2,403,147.87 and 1,122,731.57 is: 1,681,303.79
Step by Step Solution
- Step 1: Write the proportion equation
1,604,760.55 : 2,403,147.87 = 1,122,731.57 : x - Step 2: Convert to fraction form
1,604,760.55/2,403,147.87 = 1,122,731.57/x - Step 3: Cross multiply
1,604,760.55x = 2,403,147.87 × 1,122,731.57 - Step 4: Simplify right side
1,604,760.55x = 2,698,089,987,035.13 - Step 5: Solve for x
x = 2,698,089,987,035.13/1,604,760.55 - Step 6: Final answer
x = 1,681,303.79
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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.