Finding the Fourth Proportional to 3,984,815.36, 5,977,202.40 and 1,556,215.04
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Solution
The fourth proportional to 3,984,815.36, 5,977,202.40 and 1,556,215.04 is: 2,334,314.50
Step by Step Solution
- Step 1: Write the proportion equation
3,984,815.36 : 5,977,202.40 = 1,556,215.04 : x - Step 2: Convert to fraction form
3,984,815.36/5,977,202.40 = 1,556,215.04/x - Step 3: Cross multiply
3,984,815.36x = 5,977,202.40 × 1,556,215.04 - Step 4: Simplify right side
3,984,815.36x = 9,301,812,272,004.10 - Step 5: Solve for x
x = 9,301,812,272,004.10/3,984,815.36 - Step 6: Final answer
x = 2,334,314.50
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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.