Finding the Fourth Proportional to 5,619,153.76, 8,425,317.30 and 2,203,347.88
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Solution
The fourth proportional to 5,619,153.76, 8,425,317.30 and 2,203,347.88 is: 3,303,683.40
Step by Step Solution
- Step 1: Write the proportion equation
5,619,153.76 : 8,425,317.30 = 2,203,347.88 : x - Step 2: Convert to fraction form
5,619,153.76/8,425,317.30 = 2,203,347.88/x - Step 3: Cross multiply
5,619,153.76x = 8,425,317.30 × 2,203,347.88 - Step 4: Simplify right side
5,619,153.76x = 18,563,905,011,282.32 - Step 5: Solve for x
x = 18,563,905,011,282.32/5,619,153.76 - Step 6: Final answer
x = 3,303,683.40
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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.