Finding the Fourth Proportional to 7,113,237.98, 10,669,884.99 and 1,721,879.75
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Solution
The fourth proportional to 7,113,237.98, 10,669,884.99 and 1,721,879.75 is: 2,582,826.41
Step by Step Solution
- Step 1: Write the proportion equation
7,113,237.98 : 10,669,884.99 = 1,721,879.75 : x - Step 2: Convert to fraction form
7,113,237.98/10,669,884.99 = 1,721,879.75/x - Step 3: Cross multiply
7,113,237.98x = 10,669,884.99 × 1,721,879.75 - Step 4: Simplify right side
7,113,237.98x = 18,372,258,899,109.95 - Step 5: Solve for x
x = 18,372,258,899,109.95/7,113,237.98 - Step 6: Final answer
x = 2,582,826.41
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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.