Finding the Fourth Proportional to 3,719,565.08, 5,574,024.30 and 2,118,820.40
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Solution
The fourth proportional to 3,719,565.08, 5,574,024.30 and 2,118,820.40 is: 3,175,198.21
Step by Step Solution
- Step 1: Write the proportion equation
3,719,565.08 : 5,574,024.30 = 2,118,820.40 : x - Step 2: Convert to fraction form
3,719,565.08/5,574,024.30 = 2,118,820.40/x - Step 3: Cross multiply
3,719,565.08x = 5,574,024.30 × 2,118,820.40 - Step 4: Simplify right side
3,719,565.08x = 11,810,356,396,935.72 - Step 5: Solve for x
x = 11,810,356,396,935.72/3,719,565.08 - Step 6: Final answer
x = 3,175,198.21
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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.