Finding the Fourth Proportional to 2,830,395.53, 3,904,920.09 and 1,605,991.88
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Solution
The fourth proportional to 2,830,395.53, 3,904,920.09 and 1,605,991.88 is: 2,215,686.78
Step by Step Solution
- Step 1: Write the proportion equation
2,830,395.53 : 3,904,920.09 = 1,605,991.88 : x - Step 2: Convert to fraction form
2,830,395.53/3,904,920.09 = 1,605,991.88/x - Step 3: Cross multiply
2,830,395.53x = 3,904,920.09 × 1,605,991.88 - Step 4: Simplify right side
2,830,395.53x = 6,271,269,956,588.87 - Step 5: Solve for x
x = 6,271,269,956,588.87/2,830,395.53 - Step 6: Final answer
x = 2,215,686.78
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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.