Finding the Fourth Proportional to 5,539,408.90, 8,309,113.35 and 5,203,485.70
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Solution
The fourth proportional to 5,539,408.90, 8,309,113.35 and 5,203,485.70 is: 7,805,228.55
Step by Step Solution
- Step 1: Write the proportion equation
5,539,408.90 : 8,309,113.35 = 5,203,485.70 : x - Step 2: Convert to fraction form
5,539,408.90/8,309,113.35 = 5,203,485.70/x - Step 3: Cross multiply
5,539,408.90x = 8,309,113.35 × 5,203,485.70 - Step 4: Simplify right side
5,539,408.90x = 43,236,352,496,404.09 - Step 5: Solve for x
x = 43,236,352,496,404.09/5,539,408.90 - Step 6: Final answer
x = 7,805,228.55
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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.