Finding the Fourth Proportional to 3,418,587.23, 4,719,102.99 and 2,130,064.25
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Solution
The fourth proportional to 3,418,587.23, 4,719,102.99 and 2,130,064.25 is: 2,940,393.75
Step by Step Solution
- Step 1: Write the proportion equation
3,418,587.23 : 4,719,102.99 = 2,130,064.25 : x - Step 2: Convert to fraction form
3,418,587.23/4,719,102.99 = 2,130,064.25/x - Step 3: Cross multiply
3,418,587.23x = 4,719,102.99 × 2,130,064.25 - Step 4: Simplify right side
3,418,587.23x = 10,051,992,547,471.59 - Step 5: Solve for x
x = 10,051,992,547,471.59/3,418,587.23 - Step 6: Final answer
x = 2,940,393.75
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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.