Finding the Fourth Proportional to 5,417,924.74, 8,126,804.31 and 1,319,284.18
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Solution
The fourth proportional to 5,417,924.74, 8,126,804.31 and 1,319,284.18 is: 1,978,906.11
Step by Step Solution
- Step 1: Write the proportion equation
5,417,924.74 : 8,126,804.31 = 1,319,284.18 : x - Step 2: Convert to fraction form
5,417,924.74/8,126,804.31 = 1,319,284.18/x - Step 3: Cross multiply
5,417,924.74x = 8,126,804.31 × 1,319,284.18 - Step 4: Simplify right side
5,417,924.74x = 10,721,564,360,138.81 - Step 5: Solve for x
x = 10,721,564,360,138.81/5,417,924.74 - Step 6: Final answer
x = 1,978,906.11
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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.