Finding the Fourth Proportional to 1,926,400.76, 2,658,452.62 and 1,162,306.70
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Solution
The fourth proportional to 1,926,400.76, 2,658,452.62 and 1,162,306.70 is: 1,603,995.05
Step by Step Solution
- Step 1: Write the proportion equation
1,926,400.76 : 2,658,452.62 = 1,162,306.70 : x - Step 2: Convert to fraction form
1,926,400.76/2,658,452.62 = 1,162,306.70/x - Step 3: Cross multiply
1,926,400.76x = 2,658,452.62 × 1,162,306.70 - Step 4: Simplify right side
1,926,400.76x = 3,089,937,291,858.55 - Step 5: Solve for x
x = 3,089,937,291,858.55/1,926,400.76 - Step 6: Final answer
x = 1,603,995.05
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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.