Finding the Fourth Proportional to 3,191,206.08, 4,422,495.12 and 3,130,648.08
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Solution
The fourth proportional to 3,191,206.08, 4,422,495.12 and 3,130,648.08 is: 4,338,571.53
Step by Step Solution
- Step 1: Write the proportion equation
3,191,206.08 : 4,422,495.12 = 3,130,648.08 : x - Step 2: Convert to fraction form
3,191,206.08/4,422,495.12 = 3,130,648.08/x - Step 3: Cross multiply
3,191,206.08x = 4,422,495.12 × 3,130,648.08 - Step 4: Simplify right side
3,191,206.08x = 13,845,275,856,237.37 - Step 5: Solve for x
x = 13,845,275,856,237.37/3,191,206.08 - Step 6: Final answer
x = 4,338,571.53
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.