Finding the Fourth Proportional to 5,298,774.77, 7,948,170.36 and 1,512,257.65
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Solution
The fourth proportional to 5,298,774.77, 7,948,170.36 and 1,512,257.65 is: 2,268,388.81
Step by Step Solution
- Step 1: Write the proportion equation
5,298,774.77 : 7,948,170.36 = 1,512,257.65 : x - Step 2: Convert to fraction form
5,298,774.77/7,948,170.36 = 1,512,257.65/x - Step 3: Cross multiply
5,298,774.77x = 7,948,170.36 × 1,512,257.65 - Step 4: Simplify right side
5,298,774.77x = 12,019,681,410,542.83 - Step 5: Solve for x
x = 12,019,681,410,542.83/5,298,774.77 - Step 6: Final answer
x = 2,268,388.81
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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.