Finding the Fourth Proportional to 2,314,987.40, 3,471,314.70 and 1,368,648.20
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Solution
The fourth proportional to 2,314,987.40, 3,471,314.70 and 1,368,648.20 is: 2,052,282.71
Step by Step Solution
- Step 1: Write the proportion equation
2,314,987.40 : 3,471,314.70 = 1,368,648.20 : x - Step 2: Convert to fraction form
2,314,987.40/3,471,314.70 = 1,368,648.20/x - Step 3: Cross multiply
2,314,987.40x = 3,471,314.70 × 1,368,648.20 - Step 4: Simplify right side
2,314,987.40x = 4,751,008,615,788.54 - Step 5: Solve for x
x = 4,751,008,615,788.54/2,314,987.40 - Step 6: Final answer
x = 2,052,282.71
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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.