Finding the Fourth Proportional to 1,646,790.09, 2,272,808.99 and 948,935.13
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Solution
The fourth proportional to 1,646,790.09, 2,272,808.99 and 948,935.13 is: 1,309,668.01
Step by Step Solution
- Step 1: Write the proportion equation
1,646,790.09 : 2,272,808.99 = 948,935.13 : x - Step 2: Convert to fraction form
1,646,790.09/2,272,808.99 = 948,935.13/x - Step 3: Cross multiply
1,646,790.09x = 2,272,808.99 × 948,935.13 - Step 4: Simplify right side
1,646,790.09x = 2,156,748,294,390.82 - Step 5: Solve for x
x = 2,156,748,294,390.82/1,646,790.09 - Step 6: Final answer
x = 1,309,668.01
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1.5x scale
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.