Finding the Fourth Proportional to 4,742,690.28, 6,544,916.50 and 2,567,226.70
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Solution
The fourth proportional to 4,742,690.28, 6,544,916.50 and 2,567,226.70 is: 3,542,774.96
Step by Step Solution
- Step 1: Write the proportion equation
4,742,690.28 : 6,544,916.50 = 2,567,226.70 : x - Step 2: Convert to fraction form
4,742,690.28/6,544,916.50 = 2,567,226.70/x - Step 3: Cross multiply
4,742,690.28x = 6,544,916.50 × 2,567,226.70 - Step 4: Simplify right side
4,742,690.28x = 16,802,284,388,070.55 - Step 5: Solve for x
x = 16,802,284,388,070.55/4,742,690.28 - Step 6: Final answer
x = 3,542,774.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.