Finding the Fourth Proportional to 1,613,488.24, 2,420,246.20 and 460,731.82
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Solution
The fourth proportional to 1,613,488.24, 2,420,246.20 and 460,731.82 is: 691,101.68
Step by Step Solution
- Step 1: Write the proportion equation
1,613,488.24 : 2,420,246.20 = 460,731.82 : x - Step 2: Convert to fraction form
1,613,488.24/2,420,246.20 = 460,731.82/x - Step 3: Cross multiply
1,613,488.24x = 2,420,246.20 × 460,731.82 - Step 4: Simplify right side
1,613,488.24x = 1,115,084,436,574.08 - Step 5: Solve for x
x = 1,115,084,436,574.08/1,613,488.24 - Step 6: Final answer
x = 691,101.68
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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.