Finding the Fourth Proportional to 5,539,573.12, 8,309,359.68 and 1,337,077.12
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Solution
The fourth proportional to 5,539,573.12, 8,309,359.68 and 1,337,077.12 is: 2,005,615.68
Step by Step Solution
- Step 1: Write the proportion equation
5,539,573.12 : 8,309,359.68 = 1,337,077.12 : x - Step 2: Convert to fraction form
5,539,573.12/8,309,359.68 = 1,337,077.12/x - Step 3: Cross multiply
5,539,573.12x = 8,309,359.68 × 1,337,077.12 - Step 4: Simplify right side
5,539,573.12x = 11,110,254,709,978.52 - Step 5: Solve for x
x = 11,110,254,709,978.52/5,539,573.12 - Step 6: Final answer
x = 2,005,615.68
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Similar ratio
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1.5x scale
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.