Finding the Fourth Proportional to 4,636,723.20, 6,951,844.80 and 2,742,489.60
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Solution
The fourth proportional to 4,636,723.20, 6,951,844.80 and 2,742,489.60 is: 4,111,818.03
Step by Step Solution
- Step 1: Write the proportion equation
4,636,723.20 : 6,951,844.80 = 2,742,489.60 : x - Step 2: Convert to fraction form
4,636,723.20/6,951,844.80 = 2,742,489.60/x - Step 3: Cross multiply
4,636,723.20x = 6,951,844.80 × 2,742,489.60 - Step 4: Simplify right side
4,636,723.20x = 19,065,362,064,814.08 - Step 5: Solve for x
x = 19,065,362,064,814.08/4,636,723.20 - Step 6: Final answer
x = 4,111,818.03
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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.