Finding the Fourth Proportional to 5,346,070.80, 8,019,106.20 and 3,078,589.20
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Solution
The fourth proportional to 5,346,070.80, 8,019,106.20 and 3,078,589.20 is: 4,617,883.80
Step by Step Solution
- Step 1: Write the proportion equation
5,346,070.80 : 8,019,106.20 = 3,078,589.20 : x - Step 2: Convert to fraction form
5,346,070.80/8,019,106.20 = 3,078,589.20/x - Step 3: Cross multiply
5,346,070.80x = 8,019,106.20 × 3,078,589.20 - Step 4: Simplify right side
5,346,070.80x = 24,687,533,740,973.04 - Step 5: Solve for x
x = 24,687,533,740,973.04/5,346,070.80 - Step 6: Final answer
x = 4,617,883.80
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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.