Finding the Fourth Proportional to 6,415,642.08, 9,624,347.64 and 2,156,140.44
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Solution
The fourth proportional to 6,415,642.08, 9,624,347.64 and 2,156,140.44 is: 3,234,507.93
Step by Step Solution
- Step 1: Write the proportion equation
6,415,642.08 : 9,624,347.64 = 2,156,140.44 : x - Step 2: Convert to fraction form
6,415,642.08/9,624,347.64 = 2,156,140.44/x - Step 3: Cross multiply
6,415,642.08x = 9,624,347.64 × 2,156,140.44 - Step 4: Simplify right side
6,415,642.08x = 20,751,445,155,222.56 - Step 5: Solve for x
x = 20,751,445,155,222.56/6,415,642.08 - Step 6: Final answer
x = 3,234,507.93
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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.