Finding the Fourth Proportional to 3,894,579.16, 5,842,421.64 and 1,199,128.42
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Solution
The fourth proportional to 3,894,579.16, 5,842,421.64 and 1,199,128.42 is: 1,798,862.87
Step by Step Solution
- Step 1: Write the proportion equation
3,894,579.16 : 5,842,421.64 = 1,199,128.42 : x - Step 2: Convert to fraction form
3,894,579.16/5,842,421.64 = 1,199,128.42/x - Step 3: Cross multiply
3,894,579.16x = 5,842,421.64 × 1,199,128.42 - Step 4: Simplify right side
3,894,579.16x = 7,005,813,830,147.01 - Step 5: Solve for x
x = 7,005,813,830,147.01/3,894,579.16 - Step 6: Final answer
x = 1,798,862.87
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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.