Finding the Fourth Proportional to 4,266,774.28, 6,400,167.57 and 1,742,429.53
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Solution
The fourth proportional to 4,266,774.28, 6,400,167.57 and 1,742,429.53 is: 2,613,646.81
Step by Step Solution
- Step 1: Write the proportion equation
4,266,774.28 : 6,400,167.57 = 1,742,429.53 : x - Step 2: Convert to fraction form
4,266,774.28/6,400,167.57 = 1,742,429.53/x - Step 3: Cross multiply
4,266,774.28x = 6,400,167.57 × 1,742,429.53 - Step 4: Simplify right side
4,266,774.28x = 11,151,840,970,916.34 - Step 5: Solve for x
x = 11,151,840,970,916.34/4,266,774.28 - Step 6: Final answer
x = 2,613,646.81
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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.