Finding the Fourth Proportional to 6,433,430.36, 9,650,455.90 and 2,115,384.98
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Solution
The fourth proportional to 6,433,430.36, 9,650,455.90 and 2,115,384.98 is: 3,173,179.53
Step by Step Solution
- Step 1: Write the proportion equation
6,433,430.36 : 9,650,455.90 = 2,115,384.98 : x - Step 2: Convert to fraction form
6,433,430.36/9,650,455.90 = 2,115,384.98/x - Step 3: Cross multiply
6,433,430.36x = 9,650,455.90 × 2,115,384.98 - Step 4: Simplify right side
6,433,430.36x = 20,414,429,498,657.25 - Step 5: Solve for x
x = 20,414,429,498,657.25/6,433,430.36 - Step 6: Final answer
x = 3,173,179.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.