Finding the Fourth Proportional to 5,138,987.76, 7,708,487.76 and 1,544,754.96
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Solution
The fourth proportional to 5,138,987.76, 7,708,487.76 and 1,544,754.96 is: 2,317,134.28
Step by Step Solution
- Step 1: Write the proportion equation
5,138,987.76 : 7,708,487.76 = 1,544,754.96 : x - Step 2: Convert to fraction form
5,138,987.76/7,708,487.76 = 1,544,754.96/x - Step 3: Cross multiply
5,138,987.76x = 7,708,487.76 × 1,544,754.96 - Step 4: Simplify right side
5,138,987.76x = 11,907,724,701,359.29 - Step 5: Solve for x
x = 11,907,724,701,359.29/5,138,987.76 - Step 6: Final answer
x = 2,317,134.28
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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.