Finding the Fourth Proportional to 4,266,775.41, 6,400,169.25 and 1,742,430.66
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Solution
The fourth proportional to 4,266,775.41, 6,400,169.25 and 1,742,430.66 is: 2,613,648.50
Step by Step Solution
- Step 1: Write the proportion equation
4,266,775.41 : 6,400,169.25 = 1,742,430.66 : x - Step 2: Convert to fraction form
4,266,775.41/6,400,169.25 = 1,742,430.66/x - Step 3: Cross multiply
4,266,775.41x = 6,400,169.25 × 1,742,430.66 - Step 4: Simplify right side
4,266,775.41x = 11,151,851,130,389.21 - Step 5: Solve for x
x = 11,151,851,130,389.21/4,266,775.41 - Step 6: Final answer
x = 2,613,648.50
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1.5x scale
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.