Finding the Fourth Proportional to 1,953,030.99, 2,695,204.32 and 1,081,879.02
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Solution
The fourth proportional to 1,953,030.99, 2,695,204.32 and 1,081,879.02 is: 1,493,004.99
Step by Step Solution
- Step 1: Write the proportion equation
1,953,030.99 : 2,695,204.32 = 1,081,879.02 : x - Step 2: Convert to fraction form
1,953,030.99/2,695,204.32 = 1,081,879.02/x - Step 3: Cross multiply
1,953,030.99x = 2,695,204.32 × 1,081,879.02 - Step 4: Simplify right side
1,953,030.99x = 2,915,885,008,421.37 - Step 5: Solve for x
x = 2,915,885,008,421.37/1,953,030.99 - Step 6: Final answer
x = 1,493,004.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.