Finding the Fourth Proportional to 1,391,949.08, 2,087,673.28 and 633,614.12
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Solution
The fourth proportional to 1,391,949.08, 2,087,673.28 and 633,614.12 is: 950,307.23
Step by Step Solution
- Step 1: Write the proportion equation
1,391,949.08 : 2,087,673.28 = 633,614.12 : x - Step 2: Convert to fraction form
1,391,949.08/2,087,673.28 = 633,614.12/x - Step 3: Cross multiply
1,391,949.08x = 2,087,673.28 × 633,614.12 - Step 4: Simplify right side
1,391,949.08x = 1,322,779,268,154.71 - Step 5: Solve for x
x = 1,322,779,268,154.71/1,391,949.08 - Step 6: Final answer
x = 950,307.23
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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.