Finding the Fourth Proportional to 5,356,521.20, 8,034,847.14 and 1,570,080.62
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Solution
The fourth proportional to 5,356,521.20, 8,034,847.14 and 1,570,080.62 is: 2,355,140.08
Step by Step Solution
- Step 1: Write the proportion equation
5,356,521.20 : 8,034,847.14 = 1,570,080.62 : x - Step 2: Convert to fraction form
5,356,521.20/8,034,847.14 = 1,570,080.62/x - Step 3: Cross multiply
5,356,521.20x = 8,034,847.14 × 1,570,080.62 - Step 4: Simplify right side
5,356,521.20x = 12,615,357,779,176.43 - Step 5: Solve for x
x = 12,615,357,779,176.43/5,356,521.20 - Step 6: Final answer
x = 2,355,140.08
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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.